Where does βpervalvarβ come from?
pervalvar (English) comes from English Per, from English Person, from Middle English persoun, from Old French persone, from Medieval Latin persona, from Latin persΕna, from Etruscan πππππ, from Ancient Greek ΟΟΟΟΟΟΞΏΞ½ β to see; eye.
pervalvar (English): perpendicular to the centre of the valve face of...
Definitions
- perpendicular to the centre of the valve face of...
Ancestry of βpervalvarβ, step by step