Filial Definition

fĭlē-əl, fēlē-
Of, suitable to, or due from a son or daughter.
Filial devotion.
Webster's New World
Designating or of any generation following the parental: the first filial generation is designated F1, the second (produced from the first) F2, etc.
Webster's New World
Having or assuming the relationship of child or offspring to parent.
American Heritage Medicine
Of or relating to a generation or the sequence of generations following the parental generation.
American Heritage Medicine

Origin of Filial

  • Middle English from Old French from Late Latin fīliālis from Latin fīlius son dhē(i)- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French filial, from Latin fīliālis, from filius (“son”) / filia (“daughter”).

    From Wiktionary

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