Where does “Chaudière-Appalaches” come from?

Chaudière-Appalaches (English) comes from French Chaudière-Appalaches, from French chaudière, from Old French chaudiere, from Latin caldāria, from Latin caldārius, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “Chaudière-Appalaches”, step by step

StepLanguageWordMeaning
1FrenchChaudière-Appalaches
2Frenchchaudièreboiler; cauldron; bucket
3Old Frenchchaudierecooking-pot
4Latincaldāriawarm bath
5LatincaldāriusOf, pertaining to or suitable for warmth or bathing
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Latin caldārius