Where does “infantier” come from?

infantier (English) comes from Spanish Infante, from Old Spanish ifante, from Latin īnfāntem, from Latin īnfāns, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

infantier (English): A soldier in the infantry; an infantryman

Definitions

A soldier in the infantry; an infantryman

Ancestry of “infantier”, step by step

Step	Language	Word	Meaning
1	Spanish	Infante	infant
2	Old Spanish	ifante	—
3	Latin	īnfāntem	—
4	Latin	īnfāns	speechless, inarticulate
5	Latin	īn-	un-, non-, not
6	Latin	în	in, at, on, upon, from (space)
7	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
8	Proto-Italic	en	in
9	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →