Did the first words come from imitating nature?
One long-standing idea is that people created the first words by hearing sounds in nature and imitating them. This 'imitative' theory, discussed by ancient Greek philosophers and analyzed in modern linguistics, proposes that early words were echoic—like a word for 'wind' that sounds like a gust, or a word for 'water' that mimics a splash [3]. The theory has been applied to languages such as Uzbek, where imitative words form a distinct category with their own grammatical features [3].
This explanation has intuitive appeal, but it is not the whole story. Many words in modern languages show no obvious resemblance to the sounds they refer to, and the imitative theory alone cannot explain how abstract words arose. Still, it offers a plausible starting point for how some of the very first spoken labels might have been coined.
Could our primate relatives help explain vocal learning?
A key ingredient for spoken words is vocal learning—the ability to modify uttered sounds based on experience with others. Whether nonhuman great apes can do this remains an open question, but a case study of Viki, a chimpanzee raised in a human home, provides a suggestive clue [1]. Viki was reported to consistently produce four words—'mama,' 'papa,' 'cup,' and 'up'—and was claimed to babble like a human child [1]. A phonetic analysis of the only widely available recording of Viki's speechlike utterances identified three pulses of babble, three utterances of 'papa,' and one of 'cup,' though the 'up' and 'mama' utterances could not be located [1].
The analysis compared Viki's sounds to human phonemes by having a human speaker imitate them, assuming that similar articulatory organs would be recruited [1]. The findings are consistent with the idea that chimpanzees may possess some capacity for vocal learning, which would imply that the roots of human imitative abilities—crucial for spoken language—could be older than previously thought [1]. However, this is a single case study, and the abstract does not report whether Viki's utterances were judged to be accurate word-like productions. The evidence suggests, rather than proves, that vocal learning has deep evolutionary origins.
What can a child's first words tell us about the origin of words?
Observations of children learning to speak offer another window into how words might have first arisen. A study of early language development describes how a child's first words, such as 'Papa' and 'Mama,' emerge from babble and crying, with a voluntary factor gradually coming into play [4]. The paper notes that the first word a child definitely knows the meaning of may not even be spoken aloud—one child understood 'aa' but did not say it [4]. This suggests that the link between a sound and a meaning can form before the sound is reliably produced.
If children today go through stages where sounds carry meaning before they are fully articulated, it is plausible that early human words similarly began as loose, context-bound vocalizations that only later became stable labels. This is an inference, not a direct observation of ancient humans, but it aligns with the idea that the first words were significantly different from the vocabulary items of contemporary languages [2].
Were the first words simpler than modern words?
There is consensus that lexical communication—using words—was an early achievement in the evolution of our language capacities, and that words became available to our ancestors before other components of grammar matured [2]. This means the first words likely existed in a system without the complex syntax we take for granted today. At the beginning of their evolutionary trajectory, words are thus likely to have been significantly different from the vocabulary items of contemporary languages [2].
This perspective helps explain why the question 'how did the first words arise?' is not just about inventing labels for things. It is also about how a system of meaningful sounds could function before rules for combining them existed. The first words may have been more like holistic calls or imitative sounds tied to specific situations, gradually becoming more word-like as grammar emerged. The historical and comparative approach of Diamond's work, which traces language backwards using data from physiology, child language, and animal behavior, converges on a single beginning for language and deduces the form of its first words and meanings [5]. While such a deduction is necessarily speculative, it reinforces the picture of a gradual, multimodal origin rather than a sudden invention.
Sources used in this answer
Viki’s First Words: A Comparative Phonetics Case Study
A phonetic analysis of recordings of Viki the chimpanzee's speechlike utterances identified babble and some word-like productions, suggesting chimpanzees may have some capacity for vocal learning relevant to the emergence of spoken language.
The first words ever spoken
Lexical communication was an early achievement in human evolution, and the first words likely differed significantly from modern vocabulary items because they emerged before other grammatical components matured.
THE PLACE AND GRAMMATICAL FEATURES OF IMITATIVE WORDS IN UZBEKISTAN GRAMMAR
The imitative theory proposes that the first words were created by imitating natural sounds, and imitative words form a distinct grammatical category in languages such as Uzbek.
The origin of the child's words Papa and Mama. Some observations on the different stages in language development
Children's first words, such as 'Papa' and 'Mama,' emerge from babble and crying with a voluntary factor, and a child may understand a word's meaning before reliably producing it.
The History and Origin of Language
By tracing language backwards using data from physiology, child language, and animal behavior, the work deduces a single origin for language and the form and meanings of its first words.