RhymeZone: slavism definitions

Definitions of Slavism:

noun: (countable) A linguistic feature of one or more Slavic languages, especially a Slavic idiom or phrasing that appears in a non-Slavic language.
noun: (usually uncountable) An attitude, custom, or other feature that is characteristically Slavic.
noun: (usually uncountable) Esteem for and emulation of Slavic culture and politics.

(Definitions from Wiktionary)