Where does “dubloni” come from?

dubloni (Finnish) comes from French doublon, from French doublé, from Middle French double, from Old French doble, from Latin dūplus, from Proto-Italic *duplos — double.

dubloni (Finnish): doubloon former Spanish gold coin

Definitions

doubloon former Spanish gold coin

Ancestry of “dubloni”, step by step

Step	Language	Word	Meaning
1	French	doublon	doublet; duplicate; doubloon
2	French	doublé	double, brace, pair; double; doublé
3	Middle French	double	—
4	Old French	doble	double
5	Latin	dūplus	double (twice as much, or as big)
6	Proto-Italic	*duplos	double

Every word from Proto-Italic *duplos →