Where does “entrecruzamiento” come from?

entrecruzamiento (Spanish) comes from Spanish entrecruzar, from Spanish Cruz, from Portuguese cruz, from Italian croce, from Latin crux, from Proto-Italic *kruks, from Proto-Indo-European sḱer- — to caw, crow.

entrecruzamiento (Spanish): crossover

Definitions

crossover

Ancestry of “entrecruzamiento”, step by step

Step	Language	Word	Meaning
1	Spanish	entrecruzar	to interweave, to crisscross, cross over
2	Spanish	Cruz	cross
3	Portuguese	cruz	cross
4	Italian	croce	cross
5	Latin	crux	wooden frame on which criminals were crucified,...
6	Proto-Italic	*kruks	—
7	Proto-Indo-European	sḱer-	to caw, crow

Every word from Proto-Indo-European sḱer- →Every word from Proto-Italic *kruks →Every word from Latin crux →