Where does “fingendus” come from?

fingendus (Latin) comes from Latin fingo, from Proto-Indo-European dʰeyǵʰ- — to knead; to form, to shape.

fingendus (Latin): which is to be shaped

Definitions

Step	Language	Word	Meaning
1	Latin	fingo	I shape, fashion, form, knead; I adorn, dress,...
2	Proto-Indo-European	dʰeyǵʰ-	to knead; to form, to shape

fingendus — Etymology, Origin & Word History | Etymology Explorer