filially

filial

[fil-ee-uhl]
adjective
1.
of, pertaining to, or befitting a son or daughter: filial obedience.
2.
noting or having the relation of a child to a parent.
3.
Genetics. pertaining to the sequence of generations following the parental generation, each generation being designated by an F followed by a subscript number indicating its place in the sequence.

Origin:
1350–1400; Middle English < Late Latin fīliālis, equivalent to Latin fīli(us) son + -ālis -al1

filially, adverb
filialness, noun
nonfilial, adjective
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World English Dictionary
filial (ˈfɪljəl)
 
adj
1.  of, resembling, or suitable to a son or daughter: filial affection
2.  genetics F designating any of the generations following the parental generation; F1 indicates the first filial generation, F2 the second, etc
 
[C15: from Late Latin fīliālis, from Latin fīlius son]
 
'filially
 
adv
 
'filialness
 
n

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Etymonline
Word Origin & History

filial
1393, from M.Fr. filial, from L.L. filialis "of a son or daughter," from L. 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].
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

filial fil·i·al (fĭl'ē-əl)
adj.

  1. Relating to the relationship of offspring to parents.

  2. In genetics, relating to a generation or the sequence of generations following the parental generation.

The American Heritage® Stedman's Medical Dictionary
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