Filial means to do with the duty a child owes a parent. Filial duty, filial piety, filial affection.
Filial piety is the central idea, a Confucian principle that ordered family and state in China for two thousand years and still shapes expectations of adult children. The Latin covers both son and daughter.
1adjectivefilialTo do with the duty a child owes a parent.
“He visited his elderly mother every Sunday out of filial duty.”
filial is a quality.
Latin filialis comes from filius, a son, and filia, a daughter.
Latin
fīliālis
Middle English
filial
English, today
filial
Built from
From Middle English filial, from Latin fīliālis. From Middle English filial, from Latin fīliālis, from fīlius (“son”) / fīlia (“daughter”) + -al.
Etymology from Wiktionary, CC BY-SA