French oignon

← Middle French oingnon (inherited)

← Old French oingnun (inherited)

← Old French unniun (mention)

← Latin unio#Etymology 3 (inherited)

→ Seychellois Creole zonyon (derived)

→ Basque uñhu (cognate)

→ French moisir (mention)

→ French gnon (mention)

→ Mauritian Creole zoyon (derived)