ÞRÚÐR
nafnorðkvenkyn
f., acc. and dat. Þrúði, the name of a goddess, the daughter of Thor and Sif, Edda, Lex. Poët.; also the name of a woman, Þrúðr; as also in compds, Her-þrúðr, Sig-þrúðr, Jar-þrúðr, Landn., Fms.; cp. the Germ. drude = a witch or evil fairy, Grimm’s Dict. s. v.
B. IN COMPDS; [the etymology may be illustrated from the Goth. þroþjan = γυμνάζειν, us-þroþjan = μυειν, us-þroþeins = γυμνασία; to this root belongs í-þrótt (q. v.), qs. ið-þrót; perh. also þróttr, q. v.; or is it akin to Germ. drude (for which see Grimm’s Dict.)?]: used in some old poët. compd words referring to Thor: Þrúð-hamarr, m. the master hammer of Thor, Ls. 57: Þrúð-heimr, Þrúð-vangr, m. the name of the mythical abode of Thor, Gm. 4, Edda: þ;rúð-valdr, in þrúðvaldr goða, the heroic, doughty defender of the gods, i. e. Thor, Hbl.