Where does “palohälytyslaite” come from?

palohälytyslaite (Finnish) comes from Finnish palohälytys, from Finnish hälytys, from Finnish hälyttää, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

Ancestry of “palohälytyslaite”, step by step

palohälytyslaite traces back through two separate lines of ancestry.

via Finnish palohälytys

StepLanguageWordMeaning
1FinnishpalohälytysA fire alarm
2Finnishhälytysalarm; alarm, alert
3FinnishhälyttääTo alarm
4Finnish-ttääFront vowel variant of -ttaa
5Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
6Proto-Uralic-kta-—

via Finnish laite

StepLanguageWordMeaning
1Finnishlaiteapparatus, device; ride
2Finnishlaittaato put, set, place; to prepare food; To criticize
3Proto-Finniclaittadakto put down
4Proto-Germaniclagjanąto lay, to place in a resting position
5Proto-Indo-Europeanlegʰ-to lie
Every word from Proto-Uralic -kta- →Every word from Finnish -ttää →Every word from Proto-Finnic -ttadak →