Where does “chủ nghĩa Lê-nin” come from?

chủ nghĩa Lê-nin (Vietnamese) comes from Vietnamese Lê-nin, from Russian Ле́нин, from Russian -ин, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

chủ nghĩa Lê-nin (Vietnamese): Leninism

Definitions

Leninism

Ancestry of “chủ nghĩa Lê-nin”, step by step

chủ nghĩa Lê-nin traces back through two separate lines of ancestry.

via Vietnamese Lê-nin

Step	Language	Word	Meaning
1	Vietnamese	Lê-nin	—
2	Russian	Ле́нин	Lenin
3	Russian	-ин	-'s
4	Old East Slavic	-инъ	—
5	Proto-Slavic	-inъ	-ine; Creates singulatives, mostly with...
6	Proto-Indo-European	-iHnos	Creates adjectives of materials
7	Proto-Indo-European	-no-	adjectival suffix

via Vietnamese chủ nghĩa

Step	Language	Word	Meaning
1	Vietnamese	chủ nghĩa	doctrine, -ism
2	Chinese	主義	doctrine; ideology; -ism; position; stance; to...

Every word from Proto-Indo-European -no- →Every word from Russian -ин →Every word from Russian Ле́нин →