Where does “caudron” come from?

caudron (Middle English) comes from Old Northern French caudron, from Latin caldārium, from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “caudron”, step by step

StepLanguageWordMeaning
1Old Northern Frenchcaudron
2Latincaldāriumwarm bath
3Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
4Latin-umnominative neuter singular of -us; accusative...
5Proto-Italic*-om
6Proto-Indo-European*-oHom
Every word from Proto-Indo-European *-oHom