Where does “pöytätilaus” come from?

pöytätilaus (Finnish) comes from Finnish pöytä, from Latin mēnsa, from Latin mēnsus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “pöytätilaus”, step by step

pöytätilaus traces back through two separate lines of ancestry.

via Finnish pöytä

StepLanguageWordMeaning
1Finnishpöytätable
2Latinmēnsaa table
3Latinmēnsushaving measured, estimated
4Latin-tusForms the past participle of verbs; Forms...
5Proto-Italic-tus
6Proto-Indo-European-tusDerives action nouns from verb roots

via Finnish tilaus

StepLanguageWordMeaning
1Finnishtilausorder; subscription; booking, reservation
2Finnishtilatato order; to sign up for; to subscribe to
3Finnishtilastate; condition; Short for maatila
4Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
5Finnish-uusForms nouns from adjectives, expressing a quality
6Proto-Finnic-uc-ness, -hood
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin mēnsus