realm
‘kingdom’
Lexical development traced from the Tamil root:
E. raume, reawme, reiaume < O.F. reaume, realme (< O.F. reial ‘regal’ < Lat. regalis) variants of roiaume ‘kingdom’ < (possibly) Gallo-Rom. regiminem < Lat. regimen ‘government, rule’ < regere ‘to rule, to direct, keep straight, guide’; or < Lat. regalis < rex ‘king’ < re < reg- < Tamil aracaṉ