Where does “débusquer” come from?

débusquer (French) comes from French débucher, from French bûche, from Middle French busche, from Old French busche, from Vulgar Latin busca, from Frankish busk, from Proto-Germanic buskaz, from Proto-Indo-European bʰuH- — to become, grow, appear.

débusquer (French): to drive out, smoke out, flush out; to track...

Definitions

to drive out, smoke out, flush out; to track...

Ancestry of “débusquer”, step by step

Step	Language	Word	Meaning
1	French	débucher	to start; to dislodge, to start; start
2	French	bûche	log
3	Middle French	busche	log
4	Old French	busche	piece of wood to be burned; wood
5	Vulgar Latin	busca	—
6	Frankish	busk	bush; bush, thicket
7	Proto-Germanic	buskaz	bush; thicket
8	Proto-Indo-European	bʰuH-	to become, grow, appear

Every word from Proto-Indo-European bʰuH- →Every word from Proto-Germanic buskaz →Every word from Frankish busk →