Where does “sermoon” come from?

sermoon (Middle Dutch) comes from Old French sermon, from Latin sermō, from Proto-Indo-European sermō, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “sermoon”, step by step

StepLanguageWordMeaning
1Old Frenchsermonsermon (religious)
2Latinsermōa conversation, discussion
3Proto-Indo-Europeansermō—
4Proto-Indo-Europeansēr-to flow
5Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “sermoon”

Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European sēr- →Every word from Proto-Indo-European sermō →