eirwynt

== Welsh == === Etymology === From eira (“snow”) +‎ gwynt. === Noun === eirwynt m (plural eirwyntoedd) Wind that brings snow; a cold wind === Mutation === === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “eirwynt”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies