Comparative evidence

ǵneh₃

• OInd. jñā- 'know' (Whitney 1885: 56); 'have knowledge', 'become acquainted' (with), 'perceive', 'apprehend', 'understand', 'experience', 'recognise', 'ascertain', 'investigate'; 'know as', 'consider as', 'acknowledge', 'approve', 'allow', 'recognise as one's own', 'take possession' (of); 'visit as a friend'; 'remember'; 'engage' (in) (MW: 425)

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.