Comparative evidence

h₃ekʷ

• OInd. īkṣ- 'see' (Whitney 1885: 9); 'look', 'view', 'behold', 'gaze' (at); 'watch' (over); 'see in one's mind', 'think', 'have a thought'; 'regard', 'consider'; 'observe' (the stars); 'foretell' (for); 'be seen' (MW: 170; 1321)

References

MW = Monier-Williams, M. 1899. A Sanskrit-English Dictionary. Clarendon Press.
Whitney 1885 = Whitney W. D. 1885. The roots, verb forms and primary derivatives of the Sanskrit language. A supplement to his Sanskrit grammar. Leipzig.