Where does “h₃erǵʰ-eh₂” come from?

h₃erǵʰ-eh₂ (Proto-Indo-European) comes from Proto-Indo-European h₃erǵʰ- — to copulate.

Ancestry of “h₃erǵʰ-eh₂”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₃erǵʰ-to copulate
Every word from Proto-Indo-European h₃erǵʰ-