English
anaerobiosis
From an- + aerobiosis; by surface analysis, an- + aero- + -biosis.
Formed from an- + aerobiosis
Proto-Indo-European *h₂en- ‘on, onto’
Proto-Germanic *ana- ‘on’
Proto-West Germanic *ana- ‘Forming verbs and adjectives from participles…’
English an-
Today it means
noun Any form of life that is sustained in the absence of air (or oxygen)
Language periods are conventional ranges, not dates for this word.
Etymograph / anaerobiosis