Where does “placidity” come from?

Placidity comes from French placide, from Latin placidus, derived from placeo meaning to please or satisfy, ultimately from Proto-Indo-European plā-k-.

placidity (English): The state of being placid; peacefulness

Definitions

  1. The state of being placid; peacefulness

Ancestry of “placidity”, step by step

StepLanguageWordMeaning
1Englishplacidcalm and quiet; peaceful; tranquil
2Frenchplacidecalm, quiet, peaceful
3LatinPlacidusPlacid, gentle, quiet, still, calm, mild, peaceful, tranquil
4Latin-idustending to
5Proto-Italic*-iðos—
Every word from Proto-Italic *-iðos →Every word from Latin -idus →Every word from Latin Placidus →