mid-13c., "to end at, to border on, touch at the end," from Old French aboter, abuter "join end to end, touch with an end" (13c.), and abouter "join end to end," from à "to" (see ad-) + boter, bouter "to strike, push," from a Germanic source (ultimately from PIE root *bhau- "to strike"). Compare butt (v.). Related: Abutted; abutting.
"hut built by miners over a mine shaft," to store their equipment, etc., 1650s, from some source akin to Dutch kouw, German kaue in the same sense, from West Germanic *kauja-, an early borrowing of Latin cavea "hollow," from cavus "a hollow" (from PIE root *keue- "to swell," also "vault, hole").
"The fiery cross which in old times formed the rallying symbol in the Highlands of Scotland in any sudden emergency," Gaelic cranntara, cranntaraidh, also (by influence of crois "cross") croistara, croistaraidh, literally "the beam or cross of reproach," from crann "a beam, a shaft" (see crane (n.)) + tair "reproach, disgrace." "[S]o called because neglect of the symbol implied infamy" [Century Dictionary].
"small firearm with a curved handle, intended to be held in one hand when aimed and fired," 1570s, from French pistole "short firearm" (1566), a word of uncertain origin, sometimes said to be from German Pistole, from Czech pis'tala "firearm," literally "tube, pipe," from pisteti "to whistle," a word of imitative origin, related to Russian pischal "shepherd's pipe."
But the earlier English form pistolet (1550) is said to be from French pistolet "a small firearm," also "a small dagger," which is said to be connected with Italian pistolese, in reference to Pistoia, the town in Tuscany noted for gunsmithing.
Pistol-whip (v.) "strike (someone) with the butt of a pistol is recorded by 1942. Pistol-grip "handle shaped like the butt of a pistol" is by 1874.