Where does “keening” come from?

Keening derives from Irish caoin, from Old Irish caín, ultimately from Proto-Indo-European ǵneh₃-, a root expressing lamentation or mournful sound.

keening (English): Sharp, shrill, especially of a sound; Intense...

Definitions

  1. Sharp, shrill, especially of a sound; Intense...

Ancestry of “keening”, step by step

StepLanguageWordMeaning
1EnglishkeenOften with a prepositional phrase, or with to and...
2Irishcaoinsmooth, delicate, polished; kind, gentle,...
3Middle Irishcaínsmooth finished side; "especially" the outer...
4Old Irishcaínfine, good; fair, beautiful
5Proto-Celtic*kanisnice, good
Every word from Proto-Celtic *kanisEvery word from Old Irish caínEvery word from Middle Irish caín