Where does “casquer” come from?

casquer (French) comes from Italian cascare, from Vulgar Latin casicare, from Latin cadēre, from Latin cadō, from Proto-Italic kadō, from Proto-Indo-European ḱad- — to fall.

casquer (French): to fall into a trap, particularly by paying money...

Definitions

to fall into a trap, particularly by paying money...

Ancestry of “casquer”, step by step

Step	Language	Word	Meaning
1	Italian	cascare	to fall
2	Vulgar Latin	casicare	present active infinitive of *casicō
3	Latin	cadēre	—
4	Latin	cadō	to fall, to fall out
5	Proto-Italic	kadō	fall, sink
6	Proto-Indo-European	ḱad-	to fall

Every word from Proto-Indo-European ḱad- →Every word from Proto-Italic kadō →Every word from Latin cadō →