Where does “rin” come from?

rin (West Frisian) comes from West Frisian rinne, from Old Frisian rinna, from Proto-Germanic rinnaną, from Proto-Indo-European h₃ér- — to move, to stir.

rin (West Frisian): run; walk

Definitions

run; walk

Ancestry of “rin”, step by step

Step	Language	Word	Meaning
1	West Frisian	rinne	to walk
2	Old Frisian	rinna	Alternative spelling of renna
3	Proto-Germanic	rinnaną	to run, to rush; to flow
4	Proto-Indo-European	h₃ér-	to move, to stir

Every word from Proto-Indo-European h₃ér- →Every word from Proto-Germanic rinnaną →Every word from Old Frisian rinna →