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’ < O.F. science ‘knowledge, learning, application; corpus of human knowledge’ < Lat. scientia ‘knowledge, a knowing; expertness’ < sciens ‘intelligent, skilled’ < scire ‘to know’ < scindere ‘to cut, divide’ < seeuhn < skei- < Tamil kappu