Etymology

asynchronous

A1S1Y4N1C3H4R1O1N1O1U1S1

Today it means: Not synchronous; occurring at different times. Full definition →

English synchronous ← Ancient Greek ἀ- (a-) ← Proto-Hellenic *ə-
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)
  5. Englisha-
  6. Englishsynchronous
  7. English todayasynchronous

From a- + synchronous.

Etymology from Wiktionary, CC BY-SA 4.0.