Origin of wheyMiddle English whei ; from Old English hwæg, akin to Dutch wei ; from uncertain or unknown; perhaps Indo-European base an unverified form kwei-, slime, muck: see obscene
Origin of wheyMiddle English, from Old English hwæg.
Middle English wheye, whei, from Old English hwǣġ, hweġ, from Proto-Germanic *hwają (cf. West Frisian waai, Dutch wei), perhaps from Proto-Indo-European *kʷei 'to pile up, build' (cf. Old Church Slavonic чинъ (činŭ, “order”), Ancient Greek ποιέω (poiéō, “to pile up, make”), Sanskrit káya 'body'). [Devanagari?]