Where does “Keatonian” come from?

Keatonian (English) comes from English Keaton, from Middle English toun, from Middle English ende, from Old English ende, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent- — on, onto.

Ancestry of “Keatonian”, step by step

Keatonian traces back through two separate lines of ancestry.

via English Keaton

StepLanguageWordMeaning
1EnglishKeatonnamed after a local family
2Middle Englishtountown
3Middle EnglishendeThe end or finishing of a thing; the terminal...
4Old Englishendeend, limit, border, corner
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

via English ian

StepLanguageWordMeaning
1Englishian
2IrishEoinJohn any of several people in the Bible
3Old IrishIohainJohn apostle
4LatinIōannēsJohn biblical persons
5Ancient GreekἸωάννης
6HebrewיוחנןYahweh is gracious
7Hebrewחנוןgracious, merciful, compassionate; passive...
8Moroccan Arabicخنونةmucus, snot
9Arabicخُنَّة
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts