Etymology

megasecond

M3E1G2A1S1E1C3O1N1D2

Today it means: An SI unit of time equal to 10⁶ seconds. Symbol: Ms. (= 11.5741 days) Full definition →

English second ← Ancient Greek μέγᾰς (mégăs) ← Proto-Hellenic *mégas
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Englishsecond
  6. English todaymegasecond

From mega- + second.

Etymology from Wiktionary, CC BY-SA 4.0.