Where does “orthograde” come from?

orthograde (English) comes from English grade, from French grade, from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

orthograde (English): Walking or standing, with the body upright

Definitions

  1. Walking or standing, with the body upright

Ancestry of “orthograde”, step by step

orthograde traces back through two separate lines of ancestry.

via English grade

StepLanguageWordMeaning
1EnglishgradeA rating; The performance of an individual or...
2Frenchgraderank; gradian
3Latingradusa step, pace; a stage, degree; a rank
4Proto-Italicgraðus
5Proto-Indo-Europeangʰradʰ-

via English ortho

StepLanguageWordMeaning
1EnglishorthoAn isomer of a benzene derivative having two...
Every word from Proto-Indo-European gʰradʰ-Every word from Proto-Italic graðusEvery word from Latin gradus