Where does “tardigradus” come from?

tardigradus (Latin) comes from Latin gradior, from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

tardigradus (Latin): slowly stepping

Definitions

  1. slowly stepping

Ancestry of “tardigradus”, step by step

tardigradus traces back through two separate lines of ancestry.

via Latin gradior

StepLanguageWordMeaning
1LatingradiorI step, walk; I advance, go
2Latingradusa step, pace; a stage, degree; a rank
3Proto-Italicgraðus
4Proto-Indo-Europeangʰradʰ-

via Latin tardus

StepLanguageWordMeaning
1Latintardusslow, sluggish; tardy; late, lingering

Words derived from “tardigradus

Every word from Proto-Indo-European gʰradʰ-Every word from Proto-Italic graðusEvery word from Latin gradus