The story
- Ancient Greek · derived fromδιορίζω“distinguish”
- French · borrowed fromdiorite
- English todaydiorite
From French diorite, invented by mineralogist Alexandre Brongniart (1770-1847), derived from Ancient Greek διορίζω (diorízō, “distinguish”), from δι- plus ὁρίζω (horízō, “to limit”).
Etymology from Wiktionary, CC BY-SA 4.0.