spermageddon

The story

1. Middle Englishsperme
2. Englishsperm
3. Hebrewהַר
4. Hebrewמְגִידּוֹ
5. Hebrewהַר מְגִדּוֹ
6. Ancient GreekἉρμαγεδών (Harmagedṓn)
7. Late LatinHarmagedōn
8. Old EnglishErmagedon
9. Middle EnglishHermagedon
10. EnglishArmageddon
11. English todaySpermageddon

Blend of sperm + Armageddon; coined in response to a controversial 2017 study which claimed that average human sperm count decreased by 52% between 1973 and 2011.

First known use, by meaning

• from 2017 The (disputed) phenomenon of human sperm count decreasing over time, potentially leading to human extinction.