eosophobia

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noun

A morbid fear of dawn or daylight.

“For quotations using this term, see Citations:eosophobia.”

OriginAncient Greek ἠώς (ēṓs) ← Proto-Hellenic *auhṓs ← Proto-Indo-European *h₂éwsōs →
Scrabble 17
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Meanings

nouneosophobia (uncountable)
  1. rareuncountableA morbid fear of dawn or daylight.

    For quotations using this term, see Citations:eosophobia.

Origin

  1. Proto-Indo-European*h₂ews-
  2. Proto-Indo-European*h₂éwsōs
  3. Proto-Hellenic*auhṓs
  4. Ancient Greekἠώς (ēṓs)
  5. Englisheosophobia

From Ancient Greek ἠώς (ēṓs, “dawn”) + English -phobia.

Full word history & related roots →
Cite this entry
APA

eosophobia. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/eosophobia

MLA

“eosophobia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/eosophobia. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “eosophobia,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/eosophobia.

Source: eosophobia on Wiktionary, CC BY-SA 4.0.