Where does “orthogonal” come from?

orthogonal (French) comes from Medieval Latin orthogonalis, from Latin orthogonius, from Ancient Greek ὀρθογώνιος, from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

orthogonal (French): orthogonal

Definitions

  1. orthogonal

Ancestry of “orthogonal”, step by step

StepLanguageWordMeaning
1Medieval Latinorthogonalisorthogonal
2Latinorthogoniusright-angled; rectangular; orthogonal
3Ancient Greekὀρθογώνιοςright-angled; rectangular
4Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
5Proto-Hellenicortʰwós
6Proto-Indo-Europeanh₃r̥dʰwós
7Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
8Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “orthogonal

Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European h₃erdʰ-Every word from Proto-Indo-European h₃r̥dʰwós