English
alarmone
From alarm + -one?
Formed from alarm + -one
Proto-Indo-European *h₂er- ‘to fit, to fix, to put together, to slot’
Middle French alarme
Middle English alarme
English alarm
Today it means
noun An intracellular signal molecule produced due to harsh environmental factors, and serving to regulate the gene expression at transcription level.
Language periods are conventional ranges, not dates for this word.
Etymograph / alarmone