Etymology

allo-

Today it means: Nonself; nonself but of the same species. Full definition →

Ancient Greek ᾰ̓́λλος (ắllos) ← Proto-Hellenic *ál͏̌l͏̌os ← Proto-Indo-European *h₂élyos
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The story

  1. Proto-Indo-European*h₂el-
  2. Proto-Indo-European*h₂élyos
  3. Proto-Hellenic*ál͏̌l͏̌os
  4. Ancient Greekᾰ̓́λλος (ắllos)
  5. English todayallo-

From Ancient Greek ἀλλο- (allo-), combining form of ἄλλος (állos, “other”), from Proto-Hellenic *ál͏̌l͏̌os, from Proto-Indo-European *h₂élyos. Doublet of else (the inherited Germanic word) and alias (borrowed from Latin).

Words from the same roots

Proto-Indo-European*h₂élyos all →

else

Etymology from Wiktionary, CC BY-SA 4.0.