freðstertr

or fret-stertr, m., and freðsterts-mát or fretstertu-mát, n., Mag. 23: [Chaucer calls the queen in chess fers, which is derived from her Persian name ferz or ferzan = a king’s captain; the Icel. word is no doubt of the same origin]:—check-mate with the queen’s pawn: other check-mates used in Icel. are heima-stertr, peð-rífr, gleiðar-mát, níumanna-mát, and many more.