Where does “fästmö” come from?

fästmö (Swedish) comes from Swedish fästa, from Old Swedish fästa, from Old Norse fasta, from Proto-Germanic fastāną, from Proto-Germanic -āną, from Proto-Germanic -ajaną, from Proto-Indo-European -oyéti, from Proto-Indo-European -yéti — he, she.

fästmö (Swedish): woman who is engaged; fiancée

Definitions

  1. woman who is engaged; fiancée

Ancestry of “fästmö”, step by step

fästmö traces back through two separate lines of ancestry.

via Swedish fästa

StepLanguageWordMeaning
1Swedishfästato fasten
2Old Swedishfästato sign on, to engage
3Old Norsefasta—
4Proto-Germanicfastānąto observe, hold firm to; to fast, to abstain...
5Proto-Germanic-ānąCreates factitive verbs from adjectives, later...
6Proto-Germanic-ajaną—
7Proto-Indo-European-oyétiCreates factitive verbs from adjectives
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-—
10Chichewaiyehe, she

via Swedish mö

StepLanguageWordMeaning
1Swedishmöyoung woman
2Old Norsemóra moor, a heath, a barren moorland
3Proto-Germanicmōrazmoor
4Proto-Indo-Europeanmórisea; standing water
5Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland
Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Proto-Germanic -āną →