cāṣ, /t͡sɐːx/, /t͡sɐːʂ/, n. "Eye, eyehole". This specifically is refers to the pupil or sclera or both together.
etymology: From Maharashtri cakkhu, from sanskrit चक्षुष्. It was influences by the development of ākh and is prbably borrowed from one of the eastern IA languages, through migrant contact.