Where does “fir-” come from?

fir- (Old Dutch) comes from Proto-Germanic firi-, from Proto-Indo-European per(i), from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “fir-”, step by step

StepLanguageWordMeaning
1Proto-Germanicfiri-around; through, across; expresses intensive or...
2Proto-Indo-Europeanper(i)through, across; leading across
3Proto-Indo-Europeanper-before, in front; first; to go through
4Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “fir-”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European per(i) →