Where does “istumalaatikko” come from?

istumalaatikko (Finnish) comes from Finnish laatikko, from Old Swedish ladhika, from Proto-Germanic hlaþō — drawer.

Ancestry of “istumalaatikko”, step by step

istumalaatikko traces back through two separate lines of ancestry.

via Finnish laatikko

StepLanguageWordMeaning
1Finnishlaatikkobox; drawer; casserole
2Old Swedishladhika
3Proto-Germanichlaþōdrawer

via Finnish istua

StepLanguageWordMeaning
1Finnishistuato sit; to be a member in a board or similar; to...
2Proto-Finnicistudaksit
Every word from Proto-Germanic hlaþōEvery word from Old Swedish ladhikaEvery word from Finnish laatikko