Where does “cinco” come from?

cinco (Macanese) comes from Portuguese cinco, from Old Portuguese cinco, from Vulgar Latin cinque, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

cinco (Macanese): five (5)

Definitions

five (5)

Ancestry of “cinco”, step by step

Step	Language	Word	Meaning
1	Portuguese	cinco	five
2	Old Portuguese	cinco	—
3	Vulgar Latin	cinque	five
4	Latin	quīnque	five; 5
5	Proto-Italic	kʷenkʷe	five
6	Proto-Indo-European	pénkʷe	five

Every word from Proto-Indo-European pénkʷe →Every word from Proto-Italic kʷenkʷe →Every word from Latin quīnque →