Early 17th century; earliest use found in Fynes Moryson (?1566–1630), traveller and writer. After French mont de piétéMont de Piété and Italian monte di pietà.
Definition of mountain of piety in US English:
mountain of piety
noun
humorous, historical
= Mount of Piety.
Origin
Early 17th century; earliest use found in Fynes Moryson (?1566–1630), traveller and writer. After French mont de piété Mont de Piété and Italian monte di pietà.