Where does “เซียร์ราลีโอน” come from?

เซียร์ราลีโอน (Thai) comes from English Sierra Leone, from Italian serra, from Italian serrare, from Vulgar Latin serrare, from Latin serāre, from Latin sēra, from Latin serō, from Latin sērus — to ache; to fester; wound; injury.

Ancestry of “เซียร์ราลีโอน”, step by step

StepLanguageWordMeaning
1EnglishSierra Leone
2Italianserragreenhouse, glasshouse; third-person singular...
3Italianserrareto close, shut; to clamp
4Vulgar Latinserrareclose, shut; to close, shut; inflection of...
5Latinserāre
6Latinsēraa bar or bolt for fastening doors
7Latinserōto sow, plant
8Latinsēruslate, too late
9Proto-Italicswerjos
10Proto-Indo-Europeanswer-yo-s
11Proto-Indo-Europeanswer-to ache; to fester; wound; injury
Every word from Proto-Indo-European swer-Every word from Proto-Indo-European swer-yo-sEvery word from Proto-Italic swerjos