Where does “fyrir því” come from?

fyrir því (Old Norse) comes from Old Norse fýrir, from Old Norse því, from Proto-Germanic *sa, from Proto-Austronesian *əsa, from Proto-Oceanic *isa.

Ancestry of “fyrir því”, step by step

StepLanguageWordMeaning
1Old Norsefýrirbefore, in front of
2Old Norseþvídative singular of þat; therefore, for that...
3Proto-Germanic*sa—
4Proto-Austronesian*əsa—
5Proto-Oceanic*isa—
Every word from Proto-Oceanic *isa →Every word from Proto-Austronesian *əsa →Every word from Proto-Germanic *sa →