Etymology

tetrad

tet·rad
T1E1T1R1A1D2

Today it means: A group of four things. Full definition →

Ancient Greek τετράς
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The story

  1. Ancient Greek · derived fromτετράς
  2. English todaytetrad

From Ancient Greek τετράς (tetrás), analysable as tetra- + -ad.

Words from the same roots

Ancient Greekτετράς all →

tetraplicatetetrastoon

Etymology from Wiktionary, CC BY-SA 4.0.