Where does “pranto” come from?

pranto (Old Portuguese) comes from Latin planctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “pranto”, step by step

Step	Language	Word	Meaning
1	Latin	planctus	struck, beaten; bewailed, lamented, mourned;...
2	Latin	-tus	Forms the past participle of verbs; Forms...
3	Proto-Italic	-tus	—
4	Proto-Indo-European	-tus	Derives action nouns from verb roots

Words derived from “pranto”

pranto
prantear

Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin planctus →