Where does “salaluukku” come from?

salaluukku (Finnish) comes from Finnish luukku, from Swedish lucka, from Slovak lúka, from Proto-Slavic lǫka, from Proto-Balto-Slavic lankāˀ, from Proto-Indo-European lengʷʰ- — light, agile, nimble; light, not heavy, agile,...

salaluukku (Finnish): trapdoor, secret hatch

Definitions

  1. trapdoor, secret hatch

Ancestry of “salaluukku”, step by step

salaluukku traces back through two separate lines of ancestry.

via Finnish luukku

StepLanguageWordMeaning
1Finnishluukkuhatch; residence
2Swedishluckaa gap, a hole, an open slot, a small empty room;...
3Slovaklúkameadow
4Proto-Slaviclǫkalow-lying meadow, water-meadow
5Proto-Balto-Slaviclankāˀ
6Proto-Indo-Europeanlengʷʰ-light, agile, nimble; light, not heavy, agile,...

via Finnish sala

StepLanguageWordMeaning
1FinnishsalaA secret
2Proto-Finno-Ugric*sala
3Proto-Uralicśalaelm
Every word from Proto-Indo-European lengʷʰ-Every word from Proto-Balto-Slavic lankāˀEvery word from Proto-Slavic lǫka