Where does “equiaffinity” come from?

equiaffinity (English) comes from English affinity, from Middle English affinite, from Old French affinité.

equiaffinity (English): An affine transformation that preserves area

Definitions

  1. An affine transformation that preserves area

Ancestry of “equiaffinity”, step by step

equiaffinity traces back through two separate lines of ancestry.

via English affinity

StepLanguageWordMeaning
1EnglishaffinityA natural attraction or feeling of kinship to a...
2Middle Englishaffinite—
3Old Frenchaffinité—

via English equi

StepLanguageWordMeaning
1Englishequi—
Every word from Old French affinité →Every word from Middle English affinite →Every word from English affinity →