Where does “slumpage” come from?

slumpage (English) comes from English age, from Middle English age, from Old French aage, from Vulgar Latin aetaticum, from Latin aetās, from Latin aevitās, from Proto-Italic aiwotāts, from Proto-Indo-European h₂eyu- — vital force, life, age, eternity; day, morning.

slumpage (English): The act or result of slumping or sinking down

Definitions

  1. The act or result of slumping or sinking down

Ancestry of “slumpage”, step by step

slumpage traces back through two separate lines of ancestry.

via English age

StepLanguageWordMeaning
1EnglishageThe whole duration of a being, whether animal,...
2Middle EnglishageThe age of someone or rarely something; how old someone is
3Old Frenchaageage
4Vulgar Latinaetaticumage
5Latinaetāsthe period of a life: lifetime, lifespan
6Latinaevitās
7Proto-Italicaiwotātsage
8Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
9Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via English slump

StepLanguageWordMeaning
1EnglishslumpTo collapse heavily or helplessly; To decline or...
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Proto-Italic aiwotāts