çav

eye, glyph, eyes

- Destê xwe nede çav, poz û devê xwe: Do not touch your eyes, nose or mouth.

From Avestan čashman “eye”,

Proto Indo European root kʷéḱ-s-mn̥ “to see, bright, light” and *kʷeḱ- “to see”.

Luwian taw “an eye”,
Sanskrit cakş- “see, speak”,
Pali cakkhu,
Sogdian çaşmy,
Old Iranian *casman-,
Old Persian casa-,
Pahlawi (Middle Iranian) casm,
Persian casm,
Tajik čašm.

Turkish çeşme “fountain, tap, drinking fountain, well”.