Where does “Marilla” come from?

Marilla comes from Latin Maria, from Ancient Greek Μαρία, from Aramaic מַרְיָם, ultimately from Aramaic מרים, of unknown meaning.

Ancestry of “Marilla”, step by step

StepLanguageWordMeaning
1EnglishMariamother of Jesus, in Latin, Spanish, etc. contexts
2EnglishMaréAn adult female horse
3Middle EnglishmareA horse member of the species
4Old Englishmaremare (evil spirit thought to torment people in their sleep)
5Proto-West Germanicmarāevil spirit, nightmare
6Proto-Germanicmarǭevil spirit; succubus; incubus; nightmare
7Proto-Indo-Europeanmor-to blacken, to dirty; dirt spot; to rub, pound,...
8Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland
Every word from Proto-Indo-European mer-