extremely low frequency
ETYM AS. aelf, ylf; akin to Mid. High Germ. alp, German alp nightmare, incubus, Icel. âlfr elf, Swed. alf, elfva; cf. Skr. orbhu skillful, artful, rabh to grasp. Related to Auf, Oaf.
(Folklore) Fairies that are somewhat mischievous; SYN. hob, gremlin, pixie, pixy, brownie, imp.
(Irregular plural: elves).