köken: Unknown. Possibly cognate with or borrowed from Umbrian 𐌀𐌛𐌄𐌐𐌄𐌔 (ařepes), perhaps derived from Proto-Italic *ad-leipā, from Proto-Indo-European *leyp-, but this is disputed. Alternatively the Italic words are borrowed from Ancient Greek ἄλειφαρ (áleiphar) or a related Greek word.