Meaning

noun 17th and 18th-century German movement in the Lutheran Church stressing personal piety and devotion

noun exaggerated or affected piety and religious zeal

originEtymology tree English piety Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English pietism From piety + -ism.

Etymology from Wiktionary, CC BY-SA 3.0