Where does “caldeira” come from?

caldeira (Old Portuguese) comes from Late Latin caldaria, from Latin caldus — Syncopated but Classical form of calidus.

Ancestry of “caldeira”, step by step

StepLanguageWordMeaning
1Late Latincaldariawarm bath; warm bath, cauldron; nominative...
2LatincaldusSyncopated but Classical form of calidus
Every word from Latin caldus →Every word from Late Latin caldaria →