Where does “สิกขิม” come from?

สิกขิม (Thai) comes from English Sikkim, from Sikkimese སུ་ཁྱིམ, from Tibetan སུ, from Proto-Sino-Tibetan su ~ s-lu — who; indefinite pronoun; remote third-person...

Ancestry of “สิกขิม”, step by step

StepLanguageWordMeaning
1EnglishSikkim—
2Sikkimeseསུ་ཁྱིམ—
3Tibetanསུwho
4Proto-Sino-Tibetansu ~ s-luwho; indefinite pronoun; remote third-person...
Every word from Proto-Sino-Tibetan su ~ s-lu →Every word from Tibetan སུ →Every word from Sikkimese སུ་ཁྱིམ →