Where does “arrodillar” come from?

arrodillar (Spanish) comes from Spanish rodilla, from Old Spanish rodiella, from Late Latin rotella, from Latin Rota, from Proto-Italic rotā, from Proto-Indo-European Hróth₂-eh₂, from Proto-Indo-European Hreth₂- — to run.

arrodillar (Spanish): to make someone kneel

Definitions

to make someone kneel

Ancestry of “arrodillar”, step by step

Step	Language	Word	Meaning
1	Spanish	rodilla	knee
2	Old Spanish	rodiella	knee
3	Late Latin	rotella	little wheel; small wheel
4	Latin	Rota	an ecclesiastical appellate court in the Catholic...
5	Proto-Italic	rotā	—
6	Proto-Indo-European	Hróth₂-eh₂	—
7	Proto-Indo-European	Hreth₂-	to run

Every word from Proto-Indo-European Hreth₂- →Every word from Proto-Indo-European Hróth₂-eh₂ →Every word from Proto-Italic rotā →