Where does “ammekäyrä” come from?

ammekäyrä (Finnish) comes from Finnish amme, from Proto-Finnic ammeh, from Proto-Indo-European amma- — mother.

ammekäyrä (Finnish): bathtub curve

Definitions

  1. bathtub curve

Ancestry of “ammekäyrä”, step by step

ammekäyrä traces back through two separate lines of ancestry.

via Finnish amme

StepLanguageWordMeaning
1Finnishammebathtub, tub
2Proto-Finnicammehtub, vat
3Proto-Indo-Europeanamma-mother

via Finnish käyrä

StepLanguageWordMeaning
1Finnishkäyräcrooked; curve; plot, graph, diagram
2Proto-Finnickäkräbent, crooked
3Proto-Germanichagrō
Every word from Proto-Indo-European amma-Every word from Proto-Finnic ammehEvery word from Finnish amme