Where does “veintiséis” come from?

veintiséis (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.

veintiséis (Spanish): twenty-six

Definitions

twenty-six

Ancestry of “veintiséis”, step by step

veintiséis traces back through 3 separate lines of ancestry.

via Spanish veinte

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

via Spanish y

Step	Language	Word	Meaning
1	Spanish	y	and; plus, and; well
2	Old Spanish	e	and
3	Latin	et	and; plus; though, even if
4	Proto-Indo-European	éti	beyond; over
5	Proto-Indo-European	h₁é	and, then
6	Proto-Indo-European	ǵʰe	Postpositional intensifying particle: indeed, at any rate, in fact

via Spanish seis

Step	Language	Word	Meaning
1	Spanish	seis	six
2	Latin	sex	six; 6
3	Proto-Italic	seks	six
4	Proto-Indo-European	swéḱs	six

Words derived from “veintiséis”

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