Where does “vesistönnimi” come from?

vesistönnimi (Finnish) comes from Finnish vesistö, from Finnish vesi, from Proto-Finnic veci, from Arabic وعاء — vessel, container, bowl.

Ancestry of “vesistönnimi”, step by step

vesistönnimi traces back through two separate lines of ancestry.

via Finnish vesistö

StepLanguageWordMeaning
1Finnishvesistöwater system, body of water; drainage basin
2Finnishvesiwater; lake; rheum
3Proto-Finnicveciwater
4Arabicوعاءvessel, container, bowl

via Finnish nimi

StepLanguageWordMeaning
1Finnishniminame
2Finnish-iäiset—
Every word from Arabic وعاء →Every word from Proto-Finnic veci →Every word from Finnish vesi →