Where does “artilleur” come from?

artilleur (French) comes from French artiller, from Vulgar Latin apticlare, from Latin aptāre, from Latin aptus, from Proto-Italic aptos.

artilleur (French): gunner; hitman

Definitions

Step	Language	Word	Meaning
1	French	artiller	—
2	Vulgar Latin	apticlare	—
3	Latin	aptāre	—
4	Latin	aptus	suitable, adapted; ready; apt, proper
5	Proto-Italic	aptos	—

artilleur — Etymology, Origin & Word History | Etymology Explorer