kɹˈeɪɡ mˈɛltʃɚt, ɐn ˈɛkspɜːt ɔnðɪ ˌænɐtˈoʊliən lˈæŋɡwɪdʒᵻz, ˈɛstᵻməts ðæt pɹˈoʊɾoʊˌænɐtˈoʊliən bɪɡˈæn tə daɪvˈɜːdʒ sˈiː. θɹˈiː θˈaʊzənd bˌiːsˌiːˈiː, ɪn ˌɛni kˈeɪs nˈoʊ lˈeɪɾɚ ðɐn sˈiː. tˈuː θˈaʊzənd fˈaɪvhˈʌndɹɪd bˌiːsˌiːˈiː.
Craig Melchert, an expert on the Anatolian languages, estimates that Proto-Anatolian began to diverge c. 3000 BCE, in any case no later than c. 2500 BCE.