abscissa
‘segment of a line intercepted between a point therein and an ordinate drawn to it’
Lexical development traced from the Tamil root:
E. abscisse < Lat. abscissa ‘(a line) cut off’ or abscissa ‘(a line) cut off (from the diameter)’ < abscissus ‘cut off’ < abscindere ‘to cut off, divide, part, separate’ < ab ‘off, away from’ + scindere ‘to cut, rend, tear asunder, split; split up, part, divide, separate’ < sisuh < skind- < skei- < Tamil kappu