From Wiktionary, the free dictionary
Sino-Vietnamese word from 兄弟, composed of 兄 (“elder brother”) and 弟 (“younger brother”).
huynh đệ
- (archaic, now literary, Chinese fiction, collective) brothers
- Synonym: anh em
- tình huynh đệ ― brotherhood
- (Chinese fiction, collective) brothers and sisters; brethren (brotherhood; fellowship)