ken
‘to know’
Lexical development traced from the Tamil root:
E. cennan, kennen, kenn'd, kend < M.E. kennen ‘make known; give instruction to; be aware, know, have knowledge of, know how to; recognize by sight; see, catch sight of’ < O.E. cennan ‘make known, declare, acknowledge’ < cunnan ‘to become acquainted with, to know’ < Proto-G. kunnjanan ‘be mentally able, have learned’ < ken < gno- < Tamil kaṇ