mashie (n.)

in golf, "straight-faced niblick," (Linskill's "Golf," 1889, calls it "a cross between a niblick and a lofting-iron"), historical version of a modern five iron, 1881, mashy, from Scottish, probably named for a mason's hammer, from French massue "club," from Vulgar Latin *mattiuca, from Latin mateola "a tool for digging" (see mace (n.1)). Related: Mashie-niblick (1903).