Where does “посълъ” come from?

посълъ (Old East Slavic) comes from Proto-Slavic posъlъ, from Proto-Slavic sъlъ — messenger.

Ancestry of “посълъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicposъlъenvoy, messenger; task, assignment
2Proto-Slavicsъlъmessenger

Words derived from “посълъ”

Every word from Proto-Slavic sъlъ →Every word from Proto-Slavic posъlъ →