The Armenian word akn
Word akn
Meaning eye
See also Proto-Indo-European: *h₃ekʷ- ‘eye’
Tocharian B: ek ‘eye’
Greek: ὄκκον ‘eye’
Hittite: ša-ku-u̯a ‘eye’
Tocharian A: ak ‘eye’

Other words that might be of interest
unkn ‘ear’, aroik ‘healthy’, oskr ‘bone’, anurǰ ‘dream’, cunr ‘knee’, orjikᶜ ‘testicle’, ayt ‘cheek’, otn ‘foot’, sirt ‘heart’, jeṙn ‘hand’, cnawt ‘jaw’, jet ‘tail, ’, argand ‘womb’