English
recognizer
From recognize + -er.
A compound of recognize + -er
Proto-Indo-European *ǵneh₃- ‘to recognise’
…
Latin cognōscō ‘know’
Latin recognōscō ‘to know again’
Old French reconoistre ‘to recognize’
Middle French reconoistre
English recognize
Today it means
noun A person, device, or software algorithm that recognizes.
Language periods are conventional ranges, not dates for this word.
Etymograph / recognizer