Etymograph

English

isotach

Isotach comes from Ancient Greek ταχύς ‘fast’.

  1. Ancient Greekc. 800–300 BCEταχύςtakhús‘fast’
  2. Englishtodayisotach

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Ancient Greekc. 800–300 BCEταχύςtakhús‘fast’
  2. Englishtodayisotach

Linked words

through Proto-Indo-European *dʰengʰ- ‘to go quickly’

dung, dingy, dingle, 2 more

Today it means

noun An isoline linking places on a map which have equal wind speed.

Language periods are conventional ranges, not dates for this word.

Etymograph / Ancient Greek ταχύς / isotach

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