Where does “genui” come from?

genui (Esperanto) comes from Esperanto genuo, from French genou, from Old French genoil, from Latin genuculum, from Latin geniculum, from Latin -culus, from Proto-Italic *-kelos — Diminutive suffix.

genui (Esperanto): to kneel

Definitions

to kneel

Ancestry of “genui”, step by step

Step	Language	Word	Meaning
1	Esperanto	genuo	knee
2	French	genou	knee; lap
3	Old French	genoil	knee
4	Latin	genuculum	knee
5	Latin	geniculum	knee; little knot
6	Latin	-culus	Alternative form of -ulus; added to a noun to...
7	Proto-Italic	*-kelos	Diminutive suffix

Every word from Proto-Italic *-kelos →Every word from Latin -culus →Every word from Latin geniculum →