- filial
[filial 词源字典]
- filial: see female
[filial etymology, filial origin, 英语词源] - filial (adj.)
- late 14c., from Late Latin filialis "of a son or daughter," from Latin filius "son," filia "daughter," possibly from a suffixed form of PIE root *bheue- "to be, exist, grow" (see be), though *dhe(i)- "to suck, suckle" (see fecund) "is more likely" [Watkins].