English
immunosensor
From immuno- + sensor.
Proto-Indo-European *sent- ‘to feel’
Proto-Italic *sentiō ‘to feel, to sense, to perceive’
Latin sentiō ‘to feel’
English sensor
Today it means
noun A device that detects the reaction of an antibody with an antigen and produces an electrical signal
Language periods are conventional ranges, not dates for this word.
Etymograph / immunosensor