Where does “narcosubmersible” come from?

narcosubmersible (English) comes from English submersible, from English -ible, from English -ity, from Middle English -ite, from Old French -ité, from Latin -itās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂ — Creates verbal adjectives from verb stems.

Ancestry of “narcosubmersible”, step by step

narcosubmersible traces back through two separate lines of ancestry.

via English submersible

StepLanguageWordMeaning
1EnglishsubmersibleAble to be submerged; A small nonmilitary,...
2English-ibleAn adjective suffix, now usually in a passive...
3English-ityUsed to form a noun from an adjective;...
4Middle English-ite
5Old French-ité-ity
6Latin-itās
7Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
8Proto-Indo-European-teh₂Used to form nouns representing state of being
9Proto-Indo-European-tósCreates verbal adjectives from verb stems

via English narco

StepLanguageWordMeaning
1EnglishnarcoNarcotics; A South American drug baron; A police...
2EnglishnarcolepticOne who suffers from narcolepsy; Pertaining to...
3Englishnarco-Pertaining to stupor, sleep, or a state of...
4Ancient GreekναρκόωI benumb
5Ancient Greek-όωAdded to a noun or adjective to make a verb with...
6Proto-Indo-European-oyétiCreates factitive verbs from adjectives
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she
Every word from Proto-Indo-European -tósEvery word from English -ityEvery word from English -ible
narcosubmersible — Etymology, Origin & Word History | Etymology Explorer