Middle French oncle

← French aïeul (mention)

← Old French oncle (inherited)

← Proto-Indo-European *h₂euh₂-n-tlo (inherited)

← Proto-Indo-European *h₂ewh₂-n- (mention)

← Proto-Indo-European *h₂ewh₂o- (mention)

← Proto-Indo-European *h₂éwh₂os (mention)

← Latin avunculus (inherited)

→ French oncle (inherited)

→ Norwegian Bokmål onkel (derived)

→ Norwegian Bokmål filleonkel (derived)