Where does “picca” come from?

picca (Sicilian) comes from Vulgar Latin picca, from Latin pittus, from Proto-Celtic bikkos, from Proto-Indo-European bʰég-ko-s, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

picca (Sicilian): little, not much; little, not very, poorly

Definitions

little, not much; little, not very, poorly

Ancestry of “picca”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	picca	—
2	Latin	pittus	small, little
3	Proto-Celtic	bikkos	small, little
4	Proto-Indo-European	bʰég-ko-s	—
5	Proto-Indo-European	-kos	Creates deadjectival and desubstantival...

Every word from Proto-Indo-European -kos →Every word from Proto-Indo-European bʰég-ko-s →Every word from Proto-Celtic bikkos →