Where does “anoxic event” come from?

anoxic event (English) comes from English event, from Middle French event, from Latin ēventus, from Latin ēveniō, from Latin ex, from Latin commūnicō, from Latin commūnis, from Old Latin com(m)oinis — resin.

anoxic event (English): A period of time (e.g. in Earth's history) when large expanses of ocean are depleted of dissolved oxygen

Definitions

  1. A period of time (e.g. in Earth's history) when large expanses of ocean are depleted of dissolved oxygen

Ancestry of “anoxic event”, step by step

anoxic event traces back through two separate lines of ancestry.

via English event

StepLanguageWordMeaning
1EnglisheventAn occurrence; something that happens; A...
2Middle Frenchevent
3Latinēventusevent, occurrence, reality
4Latinēveniōto happen, occur
5LatinexA name of the letter "X"; out of, from
6Latincommūnicōto impart, share
7Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
8Old Latincom(m)oinis
9Proto-Italickommoiniscommon
10Proto-Indo-Europeanḱom-moy-ni-held in common
11Proto-Indo-Europeanḱómbeside, near, by, with
12Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
13Middle Englishkyt
14Germankittputty certain kinds of cement used for fixing e.g. window panes
15Old High Germankuti
16Proto-West Germanickwidugum, resin
17Proto-Germanickweduzresin

via English anoxic

StepLanguageWordMeaning
1EnglishanoxicSuffering from a reduced supply of oxygen;...
2English-icUsed to form adjectives from nouns with the...
3EnglishimageAn optical or other representation of a real...
4Frenchimagepicture, image; frame; first-person singular...
5Portugueseimagemimage; picture; figure; image; image; face
6Spanishimagenimage
7Italianimmagineimage; imago
8Latinimāginem
9Latinim-Alternative form of in-; form of "in"; in
10Latinīn-un-, non-, not
11Latinînin, at, on, upon, from (space)
12Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
13Proto-Italicenin
14Proto-Indo-Europeanh₁énin
Every word from Proto-Germanic kweduz
anoxic event — Etymology, Origin & Word History | Etymology Explorer