Where does “Deweyan” come from?

Deweyan (English) comes from English ān, from Middle English ān, from Old English ān, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

Deweyan (English): Of or pertaining to Melvil Dewey (1851–1931), American librarian and educator, and inventor of the Dewey Decimal Classification

Definitions

  1. Of or pertaining to Melvil Dewey (1851–1931), American librarian and educator, and inventor of the Dewey Decimal Classification

Ancestry of “Deweyan”, step by step

Deweyan traces back through two separate lines of ancestry.

via English ān

StepLanguageWordMeaning
1Englishān
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single

via English Dewey

StepLanguageWordMeaning
1EnglishDeweyA charge of DUI
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain