Where does “Kaplanian” come from?

Kaplanian (English) comes from English Kaplan, from Latin cappellānus, from Latin cappella, from Latin -ella, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

Kaplanian (English): Of or relating to Mordecai Kaplan (born Mottel Kaplan; 1881–1983), Lithuanian-born American rabbi, writer, Jewish educator, professor, theologian, philosopher, activist, and religious leader who founded the Reconstructionist branch of Judaism along with his son-in-law Ira Eisenstein

Definitions

  1. Of or relating to Mordecai Kaplan (born Mottel Kaplan; 1881–1983), Lithuanian-born American rabbi, writer, Jewish educator, professor, theologian, philosopher, activist, and religious leader who founded the Reconstructionist branch of Judaism along with his son-in-law Ira Eisenstein

Ancestry of “Kaplanian”, step by step

Kaplanian traces back through two separate lines of ancestry.

via English Kaplan

StepLanguageWordMeaning
1EnglishKaplan
2Latincappellānuschaplain
3Latincappellachapel; choir
4Latin-ellainflection of -ellus: ## nominative/vocative...
5Latin-ellusAlternative form of -ulus; "forming masculine...
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lós
Kaplanian — Etymology, Origin & Word History | Etymology Explorer