Where does “vint-i-u” come from?
vint-i-u (Catalan) comes from Catalan vint, from Latin vīgintī, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.
vint-i-u (Catalan): twenty-one
Ancestry of “vint-i-u”, step by step