The story
- Medieval Latin · derived fromroborantia“strengthening medicine”
- Latin · derived fromrōborāns“strengthening”
- English todayroborant
From Latin rōborāns (“strengthening”) directly and via Medieval Latin roborantia (“strengthening medicine”), from rōborāre (“to strengthen, to confirm”), from rōbur (“reddish oak; hardness, strength”) + -āre (“forming verbs”). Equivalent to roborate + -ant.
Etymology from Wiktionary, CC BY-SA 4.0.