Where does “madrugado” come from?

madrugado (Portuguese) comes from Portuguese madrugar, from Old Portuguese madurgar, from Vulgar Latin maturicare, from Latin maturāre.

Definitions

Step	Language	Word	Meaning
1	Portuguese	madrugar	to stay up at late nighttime ; to stay up all...
2	Old Portuguese	madurgar	—
3	Vulgar Latin	maturicare	—
4	Latin	maturāre	—

madrugado — Etymology, Origin & Word History | Etymology Explorer