Where does “facta” come from?

facta (Dutch) comes from Latin factum, from Proto-Indo-European dʰeh₁- — to do, put, place.

Ancestry of “facta”, step by step

Step	Language	Word	Meaning
1	Latin	factum	fact, deed, act, doing; achievement; accusative...
2	Proto-Indo-European	dʰeh₁-	to do, put, place