Ligurian âsâ

← Spanish acero (cognate)

← French acier (cognate)

← Friulian açâr (cognate)

← Proto-Indo-European *h₂eḱ- (root)

← Italian acciaio (cognate)

← Latin aciēs (derived)

← Portuguese aço (cognate)

← Romansch atschal (cognate)