Germanic etymology : List with all references

Proto-Germanic: *ɵunra-z, *ɵunr

Meaning: thunder

Old Norse: ɵōrr, dat. ɵōri m. (ält. ɵunar-r) Göttername; ɵōrs-dagr m. `Donnerstag'

Norwegian: tor `Donner'; Torsdag

Swedish: Tor; dial. tōr'in `Donner'; Torsdag

Danish: Torsdag

Old English: ɵunor (-ar, -er, -ur), -es m. `thunder; one of the Teutonic gods, to whom Jupiter seems to have been considered most nearly to correspond'; { ɵunres-däg }

English: thunder, Thursday

Old Frisian: thuner; thunres-dei

Old Saxon: Thunar

Middle Dutch: donder, donre; donres-dach

Dutch: donder m.; Donderdag

Middle Low German: dunner, donner, donre, donder, dōner; dōner-dach

Old High German: Donar; thonar, donar (9.Jh.); Donares-tag

Middle High German: doner, toner; donre, tunre st. m. 'donner'

German: Donner

germet-meaning,germet-prnum,germet-onord,germet-norw,germet-swed,germet-dan,germet-oengl,germet-engl,germet-ofris,germet-osax,germet-mdutch,germet-dutch,germet-mlg,germet-ohg,germet-mhg,germet-hg,

Indo-European etymology :

Proto-IE: *taron- <PIH *-rH->

Meaning: thunder; the Thunderer

Hittite: ^dTarχu-, ^dTarχunna- `storm god' (Lyd., in Greek Τάρχων), Luw. Tarχunt `storm god': nom. ^dtar-hu-un-za (Otten, Zur grammatikalischen und lexikalischen Beistimmung des Luvischen. B., 1953: 101-102), Luw-Hier. nom. *tarhu(n)ts, dat. *tarhu(n)ti `storm (?) god' (Merigi 239, 257), Lyk. Trqqa-, Trqqñt GN

Other Iranian: Pashto taṇā́/tanā́, tǝṇā́/tǝṇā́ f., taṇ 'thunder' (РАС, АРС I, II), taṇā / tanā Morgenstierne EV:81

Slavic: *t[ā]ronъ, *tъronъ: Kash tarȯn, trȯn (Sychta)

Germanic: *ɵunr-a- m., *ɵunr- m.

Celtic: Gaul (in Lat.) Taranis `thunder god'; Ir torann `thunder, thunder god'; Cymr taran id., OCorn taran id., Bret. taran id.

Russ. meaning: гром, бог-громовержец