Where does “deaness” come from?

deaness (English) comes from English Dean, from Middle English den, from Old French deien, from Latin decānus, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

deaness (English): A nun who serves as dean in a convent; A female...

Definitions

  1. A nun who serves as dean in a convent; A female...

Ancestry of “deaness”, step by step

deaness traces back through two separate lines of ancestry.

via English Dean

StepLanguageWordMeaning
1EnglishDeanA title afforded to a dean
2Middle EnglishdenA cave or cavern
3Old Frenchdeien
4Latindecānuschief of ten people (in various contexts)
5Latindecemten; 10
6Latin-nus-an
7Proto-Italic-nosCreates verbal adjectives from verb stems
8Proto-Indo-European-nósCreates verbal adjectives from roots

via English ess

StepLanguageWordMeaning
1EnglishessThe name of the Latin-script letter S; Something...
2Germanessfirst-person singular present of essen; singular...
3Proto-Germanicatiska-grainfield
4Proto-Indo-Europeanh₂edos-sort of cereal, grain
Every word from Proto-Indo-European -nós
deaness — Etymology, Origin & Word History | Etymology Explorer