Fatherly

wiktionary

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From Middle English faderly, from Old English fæderlīċ(“fatherly, paternal”), from Proto-Germanic *fadurlīkaz(“fatherly, paternal”), equivalent to father +‎ -ly. Cognate with West Frisian faderlik(“fatherly”), Dutch vaderlijk(“fatherly”), German väterlich(“fatherly”), Danish faderlig(“fatherly”), Swedish faderlig(“fatherly”), Icelandic föðurlegur(“fatherly”) . Doublet of fatherlike.

etymonline

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fatherly (adj.)

Old English fæderlic "fatherly, paternal; ancestral;" see father (n.) + -ly (1). Similar formation in Dutch vaderlijk, German väterlich. Related: Fatherliness.