Reconstruction:Proto-Slavic/otava

Uncertain. Proposed etymologies include:

• Perhaps from Proto-Balto-Slavic *atōw-, *atōl-, from Proto-Indo-European *h₂et- (“grass”). Cognate with Lithuanian atolas, Old Prussian attolis, Latvian atals.
• Vasmer, Trubachev, Georgiev: Derived or akin to Proto-Slavic *otaviti (“to regather strength”) (> Czech otaviti (“to restore strength, to take a breath”), Slovene otáviti (“to strengthen, to refresh”)), formed as Proto-Slavic *ob- (“off, around”) + *tyti (“to fatten”), from Proto-Indo-European *tewh₂- (“to swell, to bulk”). Analogous to Proto-Slavic *zabava (“performance, fun”) from Proto-Slavic *byti (“to become”).
• Machek, Snoj: Deverbial from Proto-Slavic *otaviti (“to reappear”), formed as

Proto-Slavic *ot- (“out of”) + *(j)aviti (“to appear”).

• Mladenov: Possibly influenced or derived from Proto-Turkic *ot (“grass”). Nowadays dismissed due to the wide spread of the lemma.

*otàva f[1]

1. aftergrass, aftermath; grass that comes up after mowing

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• *otavьnъ
• *otavica, *otavъka (“young grass”) (diminutive)
• *otavišče (augmentative)
• *otaviti (“to regrow after mowing”)

• East Slavic:
  • Belarusian: ата́ва (atáva)
  • Russian: ота́ва (otáva)
  • Ukrainian: ота́ва (otáva)
• South Slavic:
  • Bulgarian: ота́ва (otáva)
  • Serbo-Croatian:

    Cyrillic script: о̀тава

    Latin script: òtava

  • Slovene: otȃva (tonal orthography)
• West Slavic:
  • Czech: otava
  • Polish: otawa
  • Slovak: otava
  • Sorbian:
    • Lower Sorbian: wótawa
    • Upper Sorbian: wotawa

• Eastern Romance:
  • Romanian: otavă

• Vasmer, Max (1964–1973), “отава”, in Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), transl. & suppl. by Oleg Trubachyov, Moscow: Progress
• Trubachyov, Oleg, editor (2003), “*obtava”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), issue 30 (*obsojьnikъ – *obvedьnъjь), Moscow: Nauka, →ISBN, page 159
• Georgiev, Vladimir I.; Duridanov, I. V., editors (1995), “отава”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 4 (мѝнго² – па̀дам), Sofia: Prof. Marin Drinov Pubg. House, →ISBN, page 953