Where does “castrado” come from?

castrado (Portuguese) comes from Latin castrātus, from Latin castrō, from Proto-Italic kastrāō, from Proto-Italic kastrom, from Proto-Indo-European ḱos-tróm, from Proto-Indo-European ḱes- — to cut off, separate; to cut up, to slaughter; to...

Definitions

Ancestry of “castrado”, step by step

Step	Language	Word	Meaning
1	Latin	castrātus	castrated, emasculated
2	Latin	castrō	to prune
3	Proto-Italic	kastrāō	—
4	Proto-Italic	kastrom	knife
5	Proto-Indo-European	ḱos-tróm	—
6	Proto-Indo-European	ḱes-	to cut off, separate; to cut up, to slaughter; to...

Every word from Proto-Indo-European ḱes- →Every word from Proto-Indo-European ḱos-tróm →Every word from Proto-Italic kastrom →