intrinsic
‘inward, genuine, inherent’
Lexical development traced from the Tamil root:
E. intrinsique, intrynsyke, intrinsicke, intrinsick < O.F. intrinsèque ‘inner’ < Med.Lat. intrinsecus ‘interior, internal’ < Lat. intrinsecus ‘inwardly, on the inside’ < intra ‘on the inside, within, in, into, of time, during, in the course of’ < inter ‘between’ + secus ‘along, alongside’ < en-t(e)ro- < in < en < Tamil il-iṉ