Where does “cink” come from?

cink (Middle English) comes from Middle French cinq, from Old French cinc, from Vulgar Latin cinque, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

Ancestry of “cink”, step by step

StepLanguageWordMeaning
1Middle Frenchcinqfive
2Old Frenchcincfive
3Vulgar Latincinquefive
4Latinquīnquefive; 5
5Proto-Italickʷenkʷefive
6Proto-Indo-Europeanpénkʷefive
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Italic kʷenkʷe →Every word from Latin quīnque →