Where does “Nella” come from?

Nella (Finnish) comes from German Cornelia, from Latin Cornelia, from Latin Cornelius — An old Roman gens name.

Ancestry of “Nella”, step by step

Nella traces back through two separate lines of ancestry.

via German Cornelia

StepLanguageWordMeaning
1GermanCornelia
2LatinCornelia
3LatinCorneliusAn old Roman gens name

via Latin Petronella

StepLanguageWordMeaning
1LatinPetronella
2LatinPetroniusof or pertaining to the gens Petronia
3Proto-Italic*kʷetru-four, quadri
Every word from Latin CorneliusEvery word from Latin CorneliaEvery word from German Cornelia