Where does “Sierra Leone” come from?

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

Ancestry of “Sierra Leone”, step by step

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

Words derived from “Sierra Leone

Every word from Proto-Indo-European swer-Every word from Proto-Indo-European swer-yo-sEvery word from Proto-Italic swerjos