Where does “pöytäseurue” come from?

pöytäseurue (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 “pöytäseurue”, step by step

pöytäseurue traces back through two separate lines of ancestry.

via Finnish pöytä

Step	Language	Word	Meaning
1	Finnish	pöytä	table
2	Latin	mēnsa	a table
3	Latin	mēnsus	having measured, estimated
4	Latin	-tus	Forms the past participle of verbs; Forms...
5	Proto-Italic	-tus	—
6	Proto-Indo-European	-tus	Derives action nouns from verb roots

via Finnish seurue

Step	Language	Word	Meaning
1	Finnish	seurue	group, party; entourage, retinue
2	Finnish	seura	company; society; club, especially a...
3	Proto-Finnic	sepra	friend; friendship, companionship

Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin mēnsus →