Where does “ȷ́ā́nu” come from?

ȷ́ā́nu (Proto-Indo-Aryan) comes from Proto-Indo-Iranian ȷ́ā́nu, from Proto-Indo-European ǵónu — knee.

Ancestry of “ȷ́ā́nu”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianȷ́ā́nuknee
2Proto-Indo-Europeanǵónuknee
Every word from Proto-Indo-European ǵónu →Every word from Proto-Indo-Iranian ȷ́ā́nu →