Where does “riippukeinu” come from?

riippukeinu (Finnish) comes from Finnish keinu, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

riippukeinu (Finnish): swing chair, hammock chair

Definitions

  1. swing chair, hammock chair

Ancestry of “riippukeinu”, step by step

riippukeinu traces back through two separate lines of ancestry.

via Finnish keinu

StepLanguageWordMeaning
1FinnishkeinuA swing
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish riippua

StepLanguageWordMeaning
1FinnishriippuaTo hang, dangle, be suspended; To depend
2Proto-Finnicrippudakto hang
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish keinu →