From Proto-Italic *ōs, from Proto-Indo-European *h₃éh₁os. Cognates include Hittite 𒀀𒄿𒅖 (aiš), Sanskrit आस् (ās), Old Irish á, Old English ōr.
Escriu aquesta paraula
Practica parlar i memoritzar " os " i moltes altres paraules i frases a llatí .