Where does “hexeen” come from?

hexeen (Dutch) comes from Dutch één, from Middle Dutch êen, from Old Dutch ēn, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

hexeen (Dutch): hexene

Definitions

hexene

Ancestry of “hexeen”, step by step

Step	Language	Word	Meaning
1	Dutch	één	one
2	Middle Dutch	êen	a indefinite article
3	Old Dutch	ēn	—
4	Proto-West Germanic	ain	one
5	Proto-Germanic	ainaz	one; some
6	Proto-Indo-European	óynos	one; single

Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Proto-West Germanic ain →