Etymograph

English

trigonal

Trigonal comes from Latin trigōnālis ‘triangular’.

  1. Latinc. 75 BCE–200 CEtrigōnālis‘triangular’
  2. Englishtodaytrigonal

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Latinc. 75 BCE–200 CEtrigōnālis‘triangular’
  2. Englishtodaytrigonal

Formed from trigon + -al

Ancient Greek τρίγωνος ‘three-sided’

Ancient Greek τρίγωνον ‘triangle’

English trigon

Every English word from Latin trigōnālis

Today it means

adj Having three angles and three sides, triangular.

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

Etymograph / Latin trigōnālis / trigonal

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