Where does “sulkutuli” come from?

sulkutuli (Finnish) comes from Finnish sulku, from Finnish sulkea, from Proto-Finnic sülkedäk, from Proto-Finno-Permic śulke-.

sulkutuli (Finnish): barrage concentrated fire to impede the enemy, such as to prevent them from reaching or crossing a certain point; in anti-aircraft contexts, anti-aircraft fire that seeks to make e.g. bombers break away and turn around before they reach their target

Definitions

  1. barrage concentrated fire to impede the enemy, such as to prevent them from reaching or crossing a certain point; in anti-aircraft contexts, anti-aircraft fire that seeks to make e.g. bombers break away and turn around before they reach their target

Ancestry of “sulkutuli”, step by step

sulkutuli traces back through two separate lines of ancestry.

via Finnish sulku

StepLanguageWordMeaning
1Finnishsulkubracket; blockade; lock
2Finnishsulkeato close, shut; to turn off, to switch off
3Proto-Finnicsülkedäkto spit
4Proto-Finno-Permicśulke-

via Finnish tuli

StepLanguageWordMeaning
1Finnishtulifire; campfire; Third-person singular indicative...
2Proto-Finno-Ugric*tuli
3Proto-Uralictulefire
Every word from Proto-Finno-Permic śulke-Every word from Proto-Finnic sülkedäkEvery word from Finnish sulkea