Where does “caisson” come from?

Caisson comes from French caisson, from Old Occitan caissa meaning box or chest, ultimately from Latin capsa, a container derived from the verb capio meaning to seize or hold.

caisson (English): An enclosure from which water can be expelled, in...

Definitions

  1. An enclosure from which water can be expelled, in...

Ancestry of “caisson”, step by step

StepLanguageWordMeaning
1Frenchcaissonbox
2Old Occitancaisson
3Old Occitancaissa
4LatinCapsaGafsa
5Latincapiōto take, to capture, to catch, to seize, to take captive, to storm
6Proto-Italickapiōtake
7Proto-Italickapjōtake, seize
8Proto-Indo-Europeankh₂pyéti
9Proto-Indo-Europeankeh₂p-to seize, grab; to seize; take up; lift; to take,...
Every word from Proto-Indo-European keh₂p-Every word from Proto-Indo-European kh₂pyétiEvery word from Proto-Italic kapjō
caisson — Etymology, Origin & Word History | Etymology Explorer