Where does “[[śāka]], [[śaka]]” come from?

[[śāka]], [[śaka]] (Old Javanese) comes from Sanskrit शक, from Old Persian 𐎿𐎣𐎠, from Old Persian 𐎿𐎣 — Saka and Scythians, a nomadic people of the Eurasian steppes.

Ancestry of “[[śāka]], [[śaka]]”, step by step

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

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