Where does “centroterzino” come from?

centroterzino (Italian) comes from Italian terzino, from Italian terzo, from Latin tertius, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

centroterzino (Italian): central defender

Definitions

central defender

Ancestry of “centroterzino”, step by step

Step	Language	Word	Meaning
1	Italian	terzino	full-back or quarterback; a unit of measure...
2	Italian	terzo	third; uninvolved, neutral, third-party; others
3	Latin	tertius	third, the ordinal number after secundus and...
4	Latin	trēs	three; 3
5	Proto-Italic	trēs	three
6	Proto-Indo-European	*tréyes	—

Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →