Where does “plaint” come from?

plaint (Middle French) comes from Old French plaint, from Latin planctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “plaint”, step by step

StepLanguageWordMeaning
1Old Frenchplaintlament
2Latinplanctusstruck, beaten; bewailed, lamented, mourned;...
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus—
5Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “plaint”

Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin planctus →