acknowledge
'assured belief, information, skill’
Lexical development traced from the Tamil root:
E. acknowleche, acknowelaige, aknowlege, acknowlege < M.E. aknow ‘admit or show one’s knowledge’ (< O.E. oncnawan ‘understand, come to recognize’ < on + cnawan ‘recognize’ < Proto-G. knew-) + M.E. knowlechen ‘admit, acknowledge’ < knaw < gno- < Tamil kaṇ