Where does “Mertensian” come from?

Mertensian (English) comes from English ian, from Irish Eoin, from Old Irish Iohain, from Latin Iōannēs, from Ancient Greek Ἰωάννης, from Hebrew יוחנן, from Hebrew חנון, from Moroccan Arabic خنونة.

Mertensian (English): Of or relating to Robert Mertens (1894–1975), German herpetologist

Definitions

  1. Of or relating to Robert Mertens (1894–1975), German herpetologist

Ancestry of “Mertensian”, step by step

Mertensian traces back through two separate lines of ancestry.

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—

via English Mertens

StepLanguageWordMeaning
1EnglishMertens—
2GermanMartin—
3LatinMartīnus—
4Latin-īnusof or pertaining to; -ine
5Proto-Italic-īnosof/belonging to
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix
Every word from Arabic خُنَّة →Every word from Moroccan Arabic خنونة →Every word from Hebrew חנון →