Many words of Austroasiatic origin have been noticed in Lepcha, suggesting a Sino-Tibetan superstrate laid over an Austroasiatic substrate.
mˈɛni wˈɜːdz ʌv ˌɔːstɹoʊsɪˈæɾɪk ˈɔːɹɪdʒˌɪn hɐvbɪn nˈoʊɾɪst ɪn lˈɛptʃə, sədʒˈɛstɪŋ ɐ sˈiːnoʊɾɪbˈɛtən sˈuːpɚstɹˌeɪt lˈeɪd ˌoʊvɚɹ ɐn ˌɔːstɹoʊsɪˈæɾɪk sˈʌbstɹeɪt.