1810, in paper-making, "rectangular frame on which the pulp is placed," from German deckel "lid, little cover," diminutive of decke "cover," from Old High German decchen "to cover," from Proto-Germanic *thakjan, from PIE root *(s)teg- "to cover." Meaning "rough or raw edge of paper" is by 1858.
decisive
decivilize
deck
decker
deck-hand
deckle
declaim
declamation
declamatory
declarant
declaration