Where does “veinteavo” come from?

veinteavo (Spanish) comes from Spanish veinte, from Old Spanish veynte, from Latin vīgintī, from Latin quīnque, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

veinteavo (Spanish): twentieth

Definitions

twentieth

Ancestry of “veinteavo”, step by step

Step	Language	Word	Meaning
1	Spanish	veinte	twenty
2	Old Spanish	veynte	twenty
3	Latin	vīgintī	twenty
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 →