Where does “ยาคูเตีย” come from?

ยาคูเตีย (Thai) comes from English Yakutia, from Russian Яку́тия, from Russian -ия, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “ยาคูเตีย”, step by step

StepLanguageWordMeaning
1EnglishYakutia
2RussianЯку́тия
3Russian-ияy, -ia frequently found as part of foreign borrowings, where it represents the foreign suffixes -y, -ia, -ie, etc
4Latin-iaUsed to form a feminine abstract noun, usually...
5Latin-iusforming adjectives from nouns; nominative neuter...
6Proto-Italic-jōsForms comparative adjectives
7Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius