Romanian word dublu comes from Latin duos, Latin plus (More.), Latin pleo (To fill, to fulfill.)

Detailed word origin of dublu

Dictionary entry	Language	Definition
duos	Latin (lat)
plus	Latin (lat)	More.
pleo	Latin (lat)	To fill, to fulfill.
duplus	Latin (lat)	Double (twice as much, or as big).
doble	Old French (fro)	Double (twice as much).
double	French (fra)	(baseball) double. Double (twice the number, amount, etc.). Duplicate (an identical copy) Double (all meanings).
dublu	Romanian (ron)	Double.

Words with the same origin as dublu