oxymoron
‘a figure of speech conjoining words or terms apparently contradictory’
Lexical development traced from the Tamil root:
Gk. oxymōron < oxymōros ‘pointedly foolish’ < oxys ‘sharp, pointed’ + mōros ‘stupid’ < awk < ak- < Tamil akku
oxymoron
English words derived from akku connoting 'sharpness'