maharajah
‘a title born by an Indian prince’
Lexical development traced from the Tamil root:
E. mau raja, mau rajah < Skt. maha ‘great’ + rajan ‘king,’ related to raj ‘kingdom, kingship’ < rajati ‘he rules’ < raaj < reg- < Tamil aracaṉ
maharajah
English words derived from Tamil aracaṉ connoting 'rule'