Where does “sub” come from?

sub (Italian) comes from Italian subacqueo, from Italian acqueo, from Medieval Latin aqueus, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

sub (Italian): skin-diver, scuba diver; bottom, submissive

Definitions

  1. skin-diver, scuba diver; bottom, submissive

Ancestry of “sub”, step by step

sub traces back through two separate lines of ancestry.

via Italian subacqueo

StepLanguageWordMeaning
1Italiansubacqueosubaquatic, underwater; scuba diver
2Italianacqueowater; watery
3Medieval Latinaqueuswatery; aqueous
4Latin-eusargentum + API → argenteus; ferrum + API →...
5Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
6Proto-Indo-European-iHwós
7Proto-Indo-European-wósCreates adjectives from verb stems

via English submissive

StepLanguageWordMeaning
1EnglishsubmissiveMeekly obedient or passive; One who submits to a...

Words derived from “sub

Every word from Proto-Indo-European -wósEvery word from Latin -eusEvery word from Ancient Greek -εῖος