Meaning

noun fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines

noun anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)

noun (computer science) a single execution of a set of instructions that are to be repeated

originFrom Middle English loupe (“noose, loop”), earlier lowp-knot (“loop-knot”), of North Germanic origin, from Old Norse hlaup (“a run”), used in the sense of a "running knot", from hlaupa (“to leap”), ultimately from Proto-Germanic *hlaupaną (“to leap, run”). Compare Swedish löp-knut (“loop-knot”), Danish løb-knude (“a running knot”), Danish løb (“a course”). More at leap. The verb is derived from…

Etymology from Wiktionary, CC BY-SA 3.0