Meaning

noun the policy of perpetuating native cultures (in opposition to acculturation)

noun (philosophy) the philosophical theory that some ideas are innate

originEtymology tree English native 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 nativism From native + -ism.

Etymology from Wiktionary, CC BY-SA 3.0