köken: From Middle French cinq, from Old French cinc, from Vulgar Latin cīnque, dissimilation of Classical Latin quīnque (“five”), from Proto-Italic *kʷenkʷe, from Proto-Indo-European *pénkʷe, cognate with Portuguese and Spanish cinco, Italian cinque. Doublet of punch.
aile: cinq à sept, cinq cents, cinq sur cinq, cinquante, cinquième
köken: From Latin quintus. Pushed out Old Spanish cinquén(o), quintén(o) in line with the re-Latinization of many other numerals – compare Ladino sinkeno. The meanings “18-year-old boy” and “conscript” comes from the days of King John II of Castile, who decreed that one boy in five were obliged to serve in the army.
aile: bajo quinto, en el quinto coño, en la quinta puñeta, entrar en quintas, los quintos infiernos, primo quinto, puta de quinta, quinta columna, quinta rueda, quinto infierno
köken: бес (bes) + -інші (-ınşı). Cognate with Turkish beşinci, Kyrgyz бешинчи (beşinci), Southern Altai бежинчи (bežinči), Turkmen bäşinji, Uzbek beshinchi, Azerbaijani beşinci, etc.
köken: Morphologically besh + -inchi. Cognates include Turkish beşinci, Kyrgyz бешинчи (beşinci), Turkmen bäşinji, Kazakh бесінші (besınşı) and Azerbaijani beşinci.