Where does “Фомич” come from?

Фомич (Russian) comes from Russian Фома́, from Ancient Greek Θωμᾶς, from Aramaic תאומא, from Aramaic תאמא — twin, double; Gemini.

Ancestry of “Фомич”, step by step

StepLanguageWordMeaning
1RussianФома́Thomas
2Ancient GreekΘωμᾶςThomas
3Aramaicתאומאtwin; Thomas
4Aramaicתאמאtwin, double; Gemini
Every word from Aramaic תאמאEvery word from Aramaic תאומאEvery word from Ancient Greek Θωμᾶς