Where does “สัมฤทธิศก” come from?

สัมฤทธิศก (Thai) comes from Thai ศก, from Sanskrit शक, from Old Persian 𐎿𐎣𐎠, from Old Persian 𐎿𐎣 — Saka and Scythians, a nomadic people of the Eurasian steppes.

สัมฤทธิศก (Thai): Lesser Era year whose final figure is zero, as...

Definitions

Lesser Era year whose final figure is zero, as...

Ancestry of “สัมฤทธิศก”, step by step

สัมฤทธิศก traces back through two separate lines of ancestry.

via Thai ศก

Step	Language	Word	Meaning
1	Thai	ศก	headhair; era; year
2	Sanskrit	शक	year
3	Old Persian	𐎿𐎣𐎠	Scythia
4	Old Persian	𐎿𐎣	Saka and Scythians, a nomadic people of the Eurasian steppes

via Thai สัมฤทธิ์

Step	Language	Word	Meaning
1	Thai	สัมฤทธิ์	accomplishment; completion; ending; finishing

Every word from Old Persian 𐎿𐎣 →Every word from Old Persian 𐎿𐎣𐎠 →Every word from Sanskrit शक →