Where does “semisumergible” come from?

semisumergible (Spanish) comes from Spanish sumergible, from Spanish sumergir, from Latin summergō, from Latin sub, from Proto-Italic supo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

semisumergible (Spanish): semisubmersible

Definitions

semisubmersible

Ancestry of “semisumergible”, step by step

Step	Language	Word	Meaning
1	Spanish	sumergible	submersible
2	Spanish	sumergir	to submerge
3	Latin	summergō	to sink, submerge, submerse
4	Latin	sub	under, beneath; behind; at the feet of
5	Proto-Italic	supo	under
6	Proto-Indo-European	upó	under, below
7	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Italic supo →