אָוונט
דער
'evening'

ETYMOLOGY

{Why the medial [v]? But [b] in Dutch WY, Southwest WY, and Franconian WY, according to Beider.}
I. Proto-Yiddish ✱ɔːvənt, Proto-EY ✱oːvnt; from MHG âvent.
Protovowel A2.

{Beider 2015: 102.}
MHG âvent, âbent; from OHG āband
The [v] is present in NHG dialects, especially Central Franconian and Rhine Franconian (e.g, Frankfurt/Main).

III. ON aptann, eftann 'afternoon between 3 and 9', OE ǣfen 'evening', English eve, OS âƀand, Dutch avond, OHG āband, ābund, MHG âbent, âvent, NHG Abend; from PGmc ✱ēbanþ- ~ ✱ēbund- 'evening' (or ✱ǣband(a)-); from PIE (?) ✱h₁éh₁pt-ont-, gen. ✱h₁h̥₁pt-nt-ós (or from ✱āptanto {with loss of the first dental for West Germanic} or ✱ēp-onto, from the root of Greek ἐπί 'on', ὀψέ 'late').
Related: Hittite išpant- 'night'.

WESTERN

Old Literary Yiddish (ca. 1100-1800)

אובנט, אובנטן {מרכּבֿת המשנה, קראָקע 1534}

ôwənt, owənt {Schnitzler, Prager Judendeutsch, 20, 25}

Obend {EAST FRIESLAND, Aurich, Schulenrufen 1902}

Switzerland

tsoubəd hot mər ghebəlt, gʃeçt צו אָוונט האָט מען געהייוולט, געשעכט {Endingen, Gustav Dreifuss, Fleischer 2005:83}
aubəd; tsaubəd 'zu Abend' {SWITZERLAND, Fleischer 2005}

Oyberland (West Transcarpathian)

ōbn̥d ~ ōbn̥D ~ ōwn̥t ~ ōwənt {WTCP, Budapest, Hutterer 1965: 135, 137}

oːv͡n̩t {WTCP, Dunajská Streda, 47179}
- hæjt hɔmər ə šeːnən oːvᵊⁿt הײַנט האָבן מיר אַ שיינעם אָוונט

CENTRAL

Unterland (East Transcarpathian)

ə šajnər uvɱ/nt אַ שיינער אָוונט {ETCP, Sîg Felső Szek, 47223}

a gitn͜ʊvn̩t אַ גוטן אָוונט {ETCP, Nyzhnya Apsha, 48233}

a šʲájnɛʀ úvn̩t אַ שיינער אָוונט {POLAND, Wolbrom, 50196}

vjecərə וועטשערע / QQ kolacjə קאָלאַציע {ɩn uvnt axtə naˑnə אין אָוונט אַכטע נײַנע} {POLAND, Warsaw, 52211}
- a šajne uvnt אַ שיינער אָוונט
- gɩt nuvnt גוטן־אָוונט

NORTHEASTERN

Lithuania

ovnt {LITHUANIA, Vilnius, 54257}