nội sinh

== Vietnamese == === Etymology === Sino-Vietnamese word from 內 (“inner, endo-”) and 生 (“to come into existence”). === Pronunciation === (Hà Nội) IPA(key): [noj˧˨ʔ sïŋ˧˧] (Huế) IPA(key): [noj˨˩ʔ ʂɨn˧˧] ~ [noj˨˩ʔ sɨn˧˧] (Saigon) IPA(key): [noj˨˩˨ ʂɨn˧˧] ~ [noj˨˩˨ sɨn˧˧] === Adjective === nội sinh endogenous Antonym: ngoại sinh