Germanic etymology : List with all references

Proto-Germanic: *wísan- vb., *wizṓn- vb., *wastl=, *wizní-z, *wisti-z

Meaning: eat

Gothic: wisan `make merry, live sumptuously'; *bi-wisan `make merry', *wizōn wk. `be self-indulgent'; anda-wizn-s f. (i) `necessities, needs', *waila-wizn-s f. (i) `nourishment', *fri-wisan `squander'

Old Norse: vist f. `Speise, Nahrung'

Old English: *wesan `feast'

Middle High German: wastel st. n. 'eine art weissbrot oder kuchen'; wist st. f. 'lebensunterhalt, nahrung; fürsorge, pflege'

Indo-European etymology :

Proto-IE: *wes-

Meaning: to eat

Hittite: wesi- c. 'Weide, Viehweide', wesija- (wisija-) 'weiden', westara- c. 'Hirt' (Friedrich 253)

Tokharian: A wäsri 'grassy field, lawn', ? B wasso 'kuśa-grass' (Adams 585)

Old Indian: {anuvāvase `hat aufgezehrt', vástoḥ `vor dem Fressen'}

Avestan: vāstra- `Fresse, Maul'

Germanic: *wís-a- vb., *wiz-ṓ- vb., *was-tl=, *wiz-n-í- c., *wis-t-i- c.

Latin: vescor, vescī (~ -ē-) `sich nähren; geniessen'

Celtic: *wewos-: MIr do-feotar `sie assen'; feis `Essen', Cymr gwēst `Schmaus'

Russ. meaning: жрать

References: WP I 307 f

Pokorny's dictionary :

Number: 2185

Root: u̯es-2

English meaning: to feast

German meaning: `schmausen; aufgeräumt sein'

Material: Ai. ánu vāvasē `hat aufgezehrt', vástōḥ `vor dem Fressen', av. vastra `Fresse, Maul', vāstrǝm `Futter', vāstar- `Hirte'; über lat. vēscor `als Speise genießen, sich nähren' s. oben S. 73; mir. fess, feiss `Essen' (*u̯es-tā), air. fïach `Rabe' (*u̯esākos), daraus entlehnt cymr. gwyach `Steißfuß' (ein Vogel); air. ban-[ḟ]ess `Hochzeit' (`Frauen-fest'), bret. banves `Fest', cymr. gwest `Fest'; got. waila wisan `schmausen, sich vergnügen', frawisan `verzehren', wizōn `schwelgen', waila-wizns `Schmaus', gawizneigs `sich mitfreuend', ags. wesan `schmausen' (nur Beowulf 3115, Hs.weaxan); ahd. firwesan, mhd. verwesen `verbrauchen'; aisl. vist, ags. ahd. wist f. `Speise'; im Ablaut wohl ahd. wastel (frz. gâteau) `Kuchen';

hitt. u̯eši- `Viehweide', u̯ešii̯a- `weiden, abweiden; leiten, regieren'; u̯eštara- `Hirt'.

References: WP. I 307 f., Vendryes RC. 35, 89 f., WH. II 769