Where does “cassāre” come from?

cassāre (Latin) comes from Latin cassus, from Latin cadō, from Proto-Italic kadō, from Proto-Indo-European ḱad- — to fall.

Ancestry of “cassāre”, step by step

StepLanguageWordMeaning
1Latincassushollow, empty, devoid of something; lacking;...
2Latincadōto fall, to fall out
3Proto-Italickadōfall, sink
4Proto-Indo-Europeanḱad-to fall

Words derived from “cassāre

Every word from Proto-Indo-European ḱad-