Where does “Tompkin” come from?

Tompkin (English) comes from English Thomas, from Middle English Thomas, from Latin Thōmās, from Ancient Greek Θωμᾶς, from Aramaic תאומא, from Aramaic תאמא — twin, double; Gemini.

Ancestry of “Tompkin”, step by step

Step	Language	Word	Meaning
1	English	Thomas	An infidel
2	Middle English	Thomas	—
3	Latin	Thōmās	—
4	Ancient Greek	Θωμᾶς	—
5	Aramaic	תאומא	twin; Thomas
6	Aramaic	תאמא	twin, double; Gemini

Every word from Aramaic תאמא →

Tompkin — Etymology, Origin & Word History | Etymology Explorer