Where does “Whiggery” come from?

Whiggery (English) comes from English Whig, from English Whiggamore — A Whig.

Whiggery (English): Support for whiggish attitudes

Definitions

  1. Support for whiggish attitudes

Ancestry of “Whiggery”, step by step

Whiggery traces back through two separate lines of ancestry.

via English Whig

StepLanguageWordMeaning
1EnglishWhiga member of an 18th- and 19th-century political...
2EnglishWhiggamoreA Whig

via English ery

StepLanguageWordMeaning
1Englishery
Every word from English WhiggamoreEvery word from English Whig