←
Spanish acero (cognate)
←
Old French acier (inherited)
←
Old French acer (mention)
←
Proto-Indo-European *h₂eḱ- (derived)
←
Latin acies (inherited)
←
Occitan acièr (cognate)
←
Portuguese aço (cognate)
→
Asturian aceru (cognate)
→
Spanish acero (cognate)
→
Friulian açâr (cognate)
→
Haitian Creole asye (derived)
→
Occitan acièr (cognate)