antagonize 

‘to incur the dislike of; to counteract; to compete with the rival’

Lexical development traced from the Tamil root:

    E. antagonise < Gk. antagonizesthai ‘to struggle against, oppose, be a rival’ < anti ‘against’ + agonizesthai ‘to contend for a prize’ < agon ‘a struggle, a contest,’ related to agōn ‘mass of people brought together (especially to watch the games), a contest or a trial (in general)’ < agein ‘put in motion, move’ < ugh < ag- < Tamil ukai

English words derived from Tamil ukai connoting ‘going forward’