thành hệ

Vietnamese

Etymology

Sino-Vietnamese word from 成 (“to become > to form”) and 系 (“system”), most likely a calque from a European language.

Pronunciation

• (Hà Nội) IPA^(key): [tʰajŋ̟˨˩ he˧˨ʔ]
• (Huế) IPA^(key): [tʰɛɲ˦˩ hej˨˩ʔ]
• (Saigon) IPA^(key): [tʰan˨˩ hej˨˩˨]

Noun

thành hệ

1. (geology) formation

   thành hệ địa chất ― geological formation

   thành hệ Hell Creek ― the Hell Creek Formation