Where does “Rogerian” come from?

Rogerian (English) comes from English Roger, from Spanish Rodríguez, from Spanish -ez, from Latin -ities, from Latin -itia, from Latin -ia, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

Rogerian (English): Of or relating to Carl Rogers (1902–1987), influential American psychologist who helped to introduce a humanistic approach to psychology

Definitions

  1. Of or relating to Carl Rogers (1902–1987), influential American psychologist who helped to introduce a humanistic approach to psychology

Ancestry of “Rogerian”, step by step

Rogerian traces back through two separate lines of ancestry.

via English Roger

StepLanguageWordMeaning
1EnglishRogerdialectal nickname for the Devil
2SpanishRodríguezson of Rodrigo
3Spanish-ezA suffix forming many Spanish surnames; A suffix...
4Latin-itiesAlternative form of -iēs
5Latin-itia-ness, -ity
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems

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 -yós
Rogerian — Etymology, Origin & Word History | Etymology Explorer