peaceful · adjective1
- Middle English · inherited frompeesful
- English todaypeaceful
From Middle English peesful, pesful, paisful, pesefull. By surface analysis, peace + -ful. Displaced native Old English friþsum.
peaceful · noun2
Derived from the derogatory term religion of peace, which is used against Islam itself for its association with violent attacks by Islamic extremists, and alleged support and lack of condemnation against them by certain Muslim communities.
Etymology from Wiktionary, CC BY-SA 4.0.