Where does “mestissimo” come from?

mestissimo (Italian) comes from Italian mesto, from Latin maestus, from Latin maereo, from Proto-Indo-European mēwdʰ- — to complain, be emotional about; to complain or...

Ancestry of “mestissimo”, step by step

Step	Language	Word	Meaning
1	Italian	mesto	sad; first-person singular present indicative of...
2	Latin	maestus	sad, sorrowful, melancholy; gloomy; mournful, of...
3	Latin	maereo	I am sad or mournful; mourn, grieve, lament; I...
4	Proto-Indo-European	mēwdʰ-	to complain, be emotional about; to complain or...

Every word from Proto-Indo-European mēwdʰ- →Every word from Latin maereo →Every word from Latin maestus →