Where does “Sophie Germain prime” come from?

Sophie Germain prime (English) comes from English Prime, from French prime, from Old French prim, from Latin prīmus, from Latin prīsmos, from Proto-Italic priisemos, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Sophie Germain prime (English): Any prime number "p" where 2"p" + 1 is also prime

Definitions

Any prime number "p" where 2"p" + 1 is also prime

Ancestry of “Sophie Germain prime”, step by step

Step	Language	Word	Meaning
1	English	Prime	First in importance, degree, or rank
2	French	prime	reward; prize; bonus; premium
3	Old French	prim	—
4	Latin	prīmus	—
5	Latin	prīsmos	—
6	Proto-Italic	priisemos	foremost, first
7	Proto-Indo-European	per-	before, in front; first; to go through
8	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Italic priisemos →