Where does “unmoor” come from?

unmoor (English) comes from English Moor, from Middle English moren, from Old English mārian, from Proto-Germanic mairōną, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

unmoor (English): To unfix or unsecure; To weigh anchor

Definitions

  1. To unfix or unsecure; To weigh anchor

Ancestry of “unmoor”, step by step

unmoor traces back through two separate lines of ancestry.

via English Moor

StepLanguageWordMeaning
1EnglishMoorA member of an ancient Berber people from...
2Middle Englishmoren
3Old Englishmārian
4Proto-Germanicmairōnąto moor, fasten to
5Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European mer-Every word from Proto-Germanic mairōnąEvery word from Old English mārian