Where does “arkkupato” come from?

arkkupato (Finnish) comes from Finnish arkku, from Proto-Norse ᚨᚱᚲᚢ, from Latin arca, from Latin arceo, from Proto-Italic arkeō, from Proto-Indo-European h₂erk- — to protect, guard, hold, lock.

arkkupato (Finnish): cofferdam temporary watertight structure

Definitions

  1. cofferdam temporary watertight structure

Ancestry of “arkkupato”, step by step

arkkupato traces back through two separate lines of ancestry.

via Finnish arkku

StepLanguageWordMeaning
1Finnisharkkuchest; trunk; coffin
2Proto-Norseᚨᚱᚲᚢ
3Latinarcachest, box, coffer, safe; coffin; ark
4LatinarceoI shut up, enclose; box in; I keep off, ward off;...
5Proto-Italicarkeōto contain
6Proto-Indo-Europeanh₂erk-to protect, guard, hold, lock

via Finnish pato

StepLanguageWordMeaning
1Finnishpatodam, dike
2Finnishpäteäto apply, be valid
3Proto-Finnicpätedäk
Every word from Proto-Indo-European h₂erk-