Where does “sinn” come from?

sinn (Old Frisian) comes from Proto-West Germanic sinn, from Proto-Germanic sinnaz, from Proto-Indo-European sentnós, from Proto-Indo-European sent-, from Proto-Indo-European h₁es- — to be.

Ancestry of “sinn”, step by step

StepLanguageWordMeaning
1Proto-West Germanicsinnsense, perception; sense, meaning; reason, mental...
2Proto-Germanicsinnazsense, perception; sense, meaning
3Proto-Indo-Europeansentnós
4Proto-Indo-Europeansent-to head for, to go, to travel; to feel
5Proto-Indo-Europeanh₁es-to be

Words derived from “sinn

Every word from Proto-Indo-European h₁es-Every word from Proto-Indo-European sent-Every word from Proto-Indo-European sentnós