English
coder
From code + -er.
A compound of code + -er
Latin caudex ‘the stock or stem of a tree’
Latin cōdex ‘tree trunk’
Old French code ‘system of law’
Middle English code ‘system of law’
English code
Today it means
noun A device that generates a code, often as a series of pulses.
Language periods are conventional ranges, not dates for this word.
Etymograph / coder