English
Russomania
From Russo- + -mania.
Proto-Indo-European *men- ‘to think, mind’
…
Proto-Hellenic *məňňómai
Ancient Greek μαίνομαι ‘to rage’
Ancient Greek μᾰνῐ́ᾱ ‘madness’
Latin mania
English mania
Today it means
noun Great enthusiasm for Russia, its people, language or culture.
Language periods are conventional ranges, not dates for this word.
Etymograph / Russomania