Where does “Tuomainen” come from?

Tuomainen (Finnish) comes from Finnish Tuomas, from Latin Thōmās, from Ancient Greek Θωμᾶς, from Aramaic תאומא, from Aramaic תאמא — twin, double; Gemini.

Ancestry of “Tuomainen”, step by step

Step	Language	Word	Meaning
1	Finnish	Tuomas	Thomas
2	Latin	Thōmās	Thomas the Apostle
3	Ancient Greek	Θωμᾶς	Thomas
4	Aramaic	תאומא	twin; Thomas
5	Aramaic	תאמא	twin, double; Gemini

Every word from Aramaic תאמא →Every word from Aramaic תאומא →Every word from Ancient Greek Θωμᾶς →