Where does “unkindness” come from?

Unkindness derives from English unkind, from English kind, from Latin unus meaning "one," ultimately from Proto-Indo-European óynos and ano-, and the negative prefix ne.

unkindness (English): The state or quality of being unkind; An unkind...

Definitions

  1. The state or quality of being unkind; An unkind...

Ancestry of “unkindness”, step by step

unkindness traces back through two separate lines of ancestry.

via English unkind

StepLanguageWordMeaning
1EnglishunkindLacking kindness, sympathy, benevolence,...
2Middle EnglishunkyndeUnnatural, abnormal

via Middle English unkyndenesse

StepLanguageWordMeaning
1Middle EnglishunkyndenesseDisloyalty, undutifulness; an absence of appreciation, gratitude, or loyalty
Every word from Middle English unkyndeEvery word from English unkind