Etymology

subfemtosecond

S1U1B3F4E1M3T1O1S1E1C3O1N1D2

Today it means: Of or pertaining to time spans of less than a femtosecond Full definition →

English femtosecond ← Latin sub-
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Englishfemtosecond
  5. English todaysubfemtosecond

From sub- + femtosecond.

Etymology from Wiktionary, CC BY-SA 4.0.