Etymograph

English

amphicoelian

Amphicoelian comes from Ancient Greek κοῖλος ‘hollow’, and goes back to Proto-Indo-European *ḱowilos.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱowilosreconstructed
  2. Ancient Greekc. 800–300 BCEκοῖλος‘hollow’
  3. Englishtodayamphicoelian

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱowilosreconstructed
  2. Ancient Greekc. 800–300 BCEκοῖλος‘hollow’
  3. Englishtodayamphicoelian

Formed from amphi- + κοῖλος + -ian

Proto-Indo-European *h₂m̥bʰi

Ancient Greek ἀμφίς

English amphi-

Linked words

through Ancient Greek κοῖλος ‘hollow’

celiac, coeliac, 4 more

Today it means

adj amphicoelous

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *ḱowilos / amphicoelian

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