Where does “tähtitorttu” come from?

tähtitorttu (Finnish) comes from Finnish torttu, from Swedish tårta, from French tarte, from German torte, from Italian torta, from Late Latin torta, from Latin torta panis, from Latin tortus — Derives action nouns from verb roots.

Ancestry of “tähtitorttu”, step by step

tähtitorttu traces back through two separate lines of ancestry.

via Finnish torttu

StepLanguageWordMeaning
1Finnishtorttutart, pie; turd
2Swedishtårtaa torte, a cake, a layered cake; to throw a cake...
3Frenchtartepie, tart; slap; something easy to do
4Germantorteinflection of torten: ## first-person singular...
5Italiantortapie, tart, cake or similar; roundel; The act of...
6Late Latintorta
7Latintorta panistwisted bread
8Latintortustwisted, crooked; spun, whirled; bent, distorted
9Latin-tusForms the past participle of verbs; Forms...
10Proto-Italic-tus
11Proto-Indo-European-tusDerives action nouns from verb roots

via Finnish tähti

StepLanguageWordMeaning
1Finnishtähtistar; a famous person, celebrity, star; a white...
2Swedishtäkta quarry
3Swedishtoe; a body part
4SwedishtagaDated form of ta
5Old Swedishtakato touch, reach; to grasp, seize; to take, bring
6Old Norsetakato take; taking, capture; taking, seizing
7Proto-Germanictēkanąto touch; to grasp
8Proto-Indo-Europeandeh₁g-to touch
Every word from Proto-Indo-European -tus