nescient
‘ignorant; unwilling’
Lexical development traced from the Tamil root:
E. nesciant < Lat. nescientem ‘ignorant, unaware’ < nescire ‘not to know, to be ignorant’ < ne ‘not’ + scire ‘to know’ < nay < ne- < Tamil al
nescient
English words derived from Tamil al connoting 'negation'