peshwa
Originally, a chief minister under the Marathi princes; later, (the title of) each of the rulers of the Marathi kingdom in central India from 1713–1818.
historical
I need not inform the Board that the power which the Peshwas have possessed for about forty years past, is an Usurpation on the Sovereign authority vested by the Constitution in the Raja Sahoo, the last who retained it […]
Where it comes from
Borrowed from Marathi पेशवा (peśvā), from Classical Persian پیشوا (pēšwā).
Adapted from the Wiktionary entry peshwa (CC BY-SA 4.0).