Etymology

tetradecimal

T1E1T1R1A1D2E1C3I1M3A1L1

Today it means: Based on the number 14; using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C and D. Full definition →

English decimal ← Ancient Greek τετρᾰ- (tetră-) ← Proto-Hellenic *kʷétwores
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-
  6. Englishdecimal
  7. English todaytetradecimal

From tetra- + decimal.

Etymology from Wiktionary, CC BY-SA 4.0.