The story
- Late Latin · borrowed fromfīdūciālis
- English todayfiducial
From Late Latin fīdūciālis, from fīdūcia (“trust, reliance”) + -ālis, from fīdō (“to trust”).
Etymology from Wiktionary, CC BY-SA 4.0.
fiducial
Today it means: Accepted as a fixed basis of reference. Full definition →
Late Latin fīdūciālis