Where does “enrarecimiento” come from?

enrarecimiento (Spanish) comes from Spanish enrarecer, from Spanish en, from Old Spanish en, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

enrarecimiento (Spanish): becoming strange

Definitions

becoming strange

Ancestry of “enrarecimiento”, step by step

Step	Language	Word	Meaning
1	Spanish	enrarecer	to rarefy
2	Spanish	en	in, at, on; in; used after some verbs and...
3	Old Spanish	en	—
4	Latin	în	in, at, on, upon, from (space)
5	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

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