resolve
‘to separate into parts, analyse, decide’
Lexical development traced from the Tamil root:
E. resolu, resolue < O.F. resolver < Lat. resolvere ‘to loosen, loose, unyoke, undo; explain; relax; set free; make void, dispel’ < re- ‘back’ + solvere ‘to loosen, untie, release, explain’ < se-lu- < s(w)e- + leu < awlv < leu- < Tamil aṟuttal