Where does “Viktorino” come from?

Viktorino (Esperanto) comes from Esperanto -ino, from German -īn, from Middle High German -īn.

Ancestry of “Viktorino”, step by step

StepLanguageWordMeaning
1Esperanto-inoof feminine sex
2German-īncreates the female form for many nouns for living beings; umlaut usually occurs in monosyllables, but rarely in polysyllables
3Middle High German-īn—
Every word from Middle High German -īn →Every word from German -īn →Every word from Esperanto -ino →