filial
Concise Oxford English Dictionary © 2008 Oxford University Press:
filial /ˈfɪlɪəl/
▶adjective
- 1 relating to or due from a son or daughter.
- 2 Biology denoting the offspring of a cross.
– derivatives
filially adverb.
filially adverb.
– origin ME: from OFr., or from eccles. L. filialis, from filius ‘son’, filia ‘daughter’.
'filial' also found in these Oxford entries:

