Where does “*ɸro-gusom” come from?

*ɸro-gusom (Celtic) comes from Proto-Celtic ɸro-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “*ɸro-gusom”, step by step

*ɸro-gusom traces back through two separate lines of ancestry.

via Proto-Celtic ɸro-

StepLanguageWordMeaning
1Proto-Celticɸro-before, in front of; in addition; to completion
2Proto-Indo-Europeanper-before, in front; first; to go through
3Proto-Indo-Europeanpr̥tóspassed , crossed

via Proto-Indo-European ǵews-

StepLanguageWordMeaning
1Proto-Indo-Europeanǵews-to taste, try

Words derived from “*ɸro-gusom”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Celtic ɸro- →