Where does “Ventilsitz” come from?
Ventilsitz (German) comes from German Ventil, from Latin ventilō, from Latin ventus, from Proto-Italic wentos, from Proto-Indo-European h₂wéh₁n̥ts, from Proto-Indo-European h₂wḗh₁ti, from Proto-Indo-European h₂weh₁- — to blow.
Ventilsitz (German): valve seat
Ancestry of “Ventilsitz”, step by step