The story
- Ancient Greek · derived fromὀρθογώνιος“right-angled”
- English todayorthogonium
From Ancient Greek ὀρθογώνιος (orthogṓnios, “right-angled”).
Words from the same roots
Ancient Greekὀρθογώνιος all →
orthogonal
Etymology from Wiktionary, CC BY-SA 4.0.