Where does “greaseth” come from?

greaseth (English) comes from English grease, from Middle English Grece, from Anglo-Norman craisse.

greaseth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “greaseth”, step by step

greaseth traces back through two separate lines of ancestry.

via English grease

StepLanguageWordMeaning
1EnglishgreaseAnimal fat in a melted or soft state; Any oily or...
2Middle EnglishGreceA step; a part of a staircase or set of stairs
3Anglo-Normancraisse

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Anglo-Norman craisse