Where does “idroreattore” come from?

idroreattore (Italian) comes from Italian reattore, from Italian -tore, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

idroreattore (Italian): pump-jet, water jet

Definitions

pump-jet, water jet

Ancestry of “idroreattore”, step by step

Step	Language	Word	Meaning
1	Italian	reattore	reactor; jet engine
2	Italian	-tore	Added to verbs to form masculine nouns and...
3	Latin	-tor	-er
4	Proto-Italic	-tōr	Forms agent nouns to verb stems
5	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
6	Proto-Indo-European	-tor-s	—

Every word from Proto-Indo-European -tor-s →Every word from Latin -tor →Every word from Italian -tore →