Where does “Mencian” come from?

Mencian (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.

Mencian (English): Of or relating to the Chinese philosopher Mencius

Definitions

  1. Of or relating to the Chinese philosopher Mencius

Ancestry of “Mencian”, step by step

Mencian 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 Mencius

StepLanguageWordMeaning
1EnglishMenciusChinese philosopher, follower of Confucius (?372 - 289, or 385 - 303/302)
2LatinMenciusMencius
3Latin-iusforming adjectives from nouns; nominative neuter...
4Proto-Italic-jōsForms comparative adjectives
5Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European óynos