Etymology of the English word recognize
the English word recognize
derived from the Old French word reconnaistre
derived from the Latin word recognoscere (recognize, recollect)
derived from the Latin word cognoscere (to know; become acquainted with, aware of; recognize)
using the Latin prefix co-
derived from the Latin word gnoscere (to recognize; examine, study, inspect; get to know; learn, find out)
derived from the Proto-Indo-European root *gnō-
using the Latin prefix re-