Meaning

noun the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war

originEtymology tree English feudal 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 feudalism From feudal + -ism.

Etymology from Wiktionary, CC BY-SA 3.0