Both the reconstructed lexicon of Proto-Austroasiatic and the archaeological record clearly show that early Austroasiatic speakers around 4,000 B.P. cultivated rice and millet, kept livestock such as dogs, pigs, and chickens, and thrived mostly in estuarine rather than coastal environments.
bˈoʊθ ðə ɹˌiːkənstɹˈʌktᵻd lˈɛksɪkən ʌv pɹˈoʊɾoʊˌɔːstɹoʊsɪˈæɾɪk ænd ðɪ ˌɑːɹkiːəlˈɑːdʒɪkəl ɹˈɛkɚd klˈɪɹli ʃˈoʊ ðæt ˈɜːli ˌɔːstɹoʊsɪˈæɾɪk spˈiːkɚz ɚɹˈaʊnd fˈoːɹ,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ bˈiː.pˈiː. kˈʌltᵻvˌeɪɾᵻd ɹˈaɪs ænd mˈɪlɪt, kˈɛpt lˈaɪvstɑːk sˈʌtʃ ɐz dˈɑːɡz, pˈɪɡz, ænd tʃˈɪkɪnz, ænd θɹˈaɪvd mˈoʊstli ɪn ˈɛstuːˌɑːɹɹiːn ɹˈæðɚ ðɐn kˈoʊstəl ɛnvˈaɪɹənmənts.