English
decker
From deck (verb) + -er.
Proto-Germanic *þakjaną
…
Old Dutch thecken ‘to cover’
Middle Dutch decken ‘to roof’
Middle Dutch dec ‘roof’
Middle English dekke
English deck
Today it means
noun One who, or that which, decks or adorns; a coverer.
Language periods are conventional ranges, not dates for this word.
Etymograph / decker