Where does “fästning” come from?

fästning (Swedish) comes from Middle Low German vesteninge, from Middle Low German vesten, from Old Saxon fast, from Proto-West Germanic fastī, from Proto-Germanic fastuz — fixed, firm, secure.

fästning (Swedish): a strong, permanent defensive structure; a fortress, a stronghold, a fort

Definitions

  1. a strong, permanent defensive structure; a fortress, a stronghold, a fort

Ancestry of “fästning”, step by step

StepLanguageWordMeaning
1Middle Low Germanvesteningefortress
2Middle Low Germanvestento fasten, to secure
3Old Saxonfastsolid, firm
4Proto-West GermanicfastīAlternative form of *fast
5Proto-Germanicfastuzfixed, firm, secure
Every word from Proto-Germanic fastuz