Where does “mostreo” come from?

mostreo (Spanish) comes from Spanish mostrear, from Spanish muestra, from Spanish mostrar, from Latin mōnstrāre, from Latin monēre.

mostreo (Spanish): sampling

Definitions

Step	Language	Word	Meaning
1	Spanish	mostrear	to sample
2	Spanish	muestra	sample, sampling; exhibition; specimen
3	Spanish	mostrar	to show
4	Latin	mōnstrāre	—
5	Latin	monēre	—