Where does “Pu-tin” come from?

Pu-tin (Vietnamese) comes from Russian Пу́тин, from Russian -ин, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Pu-tin”, step by step

StepLanguageWordMeaning
1RussianПу́тин—
2Russian-ин-'s
3Old East Slavic-инъ—
4Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
5Proto-Indo-European-iHnosCreates adjectives of materials
6Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no- →Every word from Russian -ин →Every word from Russian Пу́тин →