Where does “*buscum” come from?

*buscum (Vulgar Latin) comes from Frankish busk, from Proto-Germanic buskaz, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “*buscum”, step by step

StepLanguageWordMeaning
1Frankishbuskbush; bush, thicket
2Proto-Germanicbuskazbush; thicket
3Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “*buscum”

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