Etymology

yoctogram

Y4O1C3T1O1G2R1A1M3

Today it means: An SI unit of mass equal to 10⁻²⁴ grams. Symbol: yg Full definition →

English gram ← Ancient Greek ὀκτώ (oktṓ) ← Proto-Hellenic *oktṓ
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The story

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Hellenic*oktṓ
  3. Ancient Greekὀκτώ (oktṓ)
  4. Englishyocto-
  5. Englishgram
  6. English todayyoctogram

From yocto- + gram.

Etymology from Wiktionary, CC BY-SA 4.0.