Where does “cierra” come from?

cierra (Spanish) comes from Late Latin serare, from Latin sēra, from Latin serō, from Latin sērus, from Proto-Italic swerjos, from Proto-Indo-European swer-yo-s, from Proto-Indo-European swer- — to ache; to fester; wound; injury.

Definitions

Ancestry of “cierra”, step by step

StepLanguageWordMeaning
1Late Latinserarefasten, bolt; second-person singular present...
2Latinsēraa bar or bolt for fastening doors
3Latinserōto sow, plant
4Latinsēruslate, too late
5Proto-Italicswerjos—
6Proto-Indo-Europeanswer-yo-s—
7Proto-Indo-Europeanswer-to ache; to fester; wound; injury

Words derived from “cierra”

Every word from Proto-Indo-European swer- →Every word from Proto-Indo-European swer-yo-s →Every word from Proto-Italic swerjos →