filial
adjective /ˈfɪliəl/
/ˈfɪliəl/
[usually before noun] (formal)- connected with the way children behave towards their parents
- filial affection/duty
Oxford Collocations DictionaryFilial is used with these nouns:- duty
Word Originlate Middle English: from Old French, or from ecclesiastical Latin filialis, from filius ‘son’, filia ‘daughter’.