Likely related to the verbal root
*ḫmr ‘to foam, to ferment,’ attested, outside CS, also in Tigre and MSAOutside Aramaic, it is only Arb.
ḫamr- that functions as the main term for “wine”. Attestations of PCS *ḫamr- in the Canaanite area are marginal, the main terms with the meaning “wine” always go back to
*wayn-.