identify
‘to establish the identity of, regard as the same’
Lexical development traced from the Tamil root:
E. identifi, identifie < F. identifier < identité < Med.Lat. identitatem ‘sameness’ < Lat. idem ‘the same’ < id ‘it, that one’ + demonstrative suffix -dem < (pronominal stem of the third person) i- < aiden < Tamil āṉ