Where does “plangendus” come from?

plangendus (Latin) comes from Latin plango, from Proto-Indo-European plak-.

plangendus (Latin): which is to be struck or beaten; which is to be...

Definitions

Step	Language	Word	Meaning
1	Latin	plango	I strike, hit, beat; I beat the breast, head,...
2	Proto-Indo-European	plak-	—

plangendus — Etymology, Origin & Word History | Etymology Explorer