Where does “jokeriventtiili” come from?

jokeriventtiili (Finnish) comes from Finnish jokeri, from Swedish joker, from English joker, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō — he, she.

jokeriventtiili (Finnish): joker valve in a manually pumped toilet, such as used e.g. in boats and campers, a rubber part placed into the exit pipe that prevents backflow from the septic tank while allowing the content of the bowl to flow into the tank

Definitions

  1. joker valve in a manually pumped toilet, such as used e.g. in boats and campers, a rubber part placed into the exit pipe that prevents backflow from the septic tank while allowing the content of the bowl to flow into the tank

Ancestry of “jokeriventtiili”, step by step

jokeriventtiili traces back through two separate lines of ancestry.

via Finnish jokeri

StepLanguageWordMeaning
1Finnishjokerijoker
2Swedishjokerjoker
3EnglishjokerA person who makes jokes; A funny person; A...
4English-erA person or thing that does an action indicated...
5Middle English-eragentive suffix; agent noun suffix
6Old French-erAlternative form of -ier, verbal suffix;...
7Latin-ārefirst conjugation
8Proto-Italic-āōForms primarily denominative verbs
9Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
10Proto-Indo-European-yétiCreates intransitive, often deponent,...
11Proto-Indo-Europeanyé-
12Chichewaiyehe, she

via Finnish venttiili

StepLanguageWordMeaning
1Finnishventtiilivalve
2Swedishventilvalve; air inlet or outlet; porthole, a round...
3GermanVentilvalve
4Latinventilōto toss, swing, brandish in the air
5Latinventusa wind; arrival
6Proto-Italicwentoswind
7Proto-Indo-Europeanh₂wéh₁n̥tsblowing; that which blows; the wind, air
8Proto-Indo-Europeanh₂wḗh₁tito blow
9Proto-Indo-Europeanh₂weh₁-to blow
Every word from Chichewa iye