Word origin
[‹ F
décat(
ir) to sponge, remove gloss (
dé- de- +
catir to press, add gloss to ‹ VL *
coāctīre to drive together, equiv. to L
coāct(
us), ptp. of
coagere (
co- co- +
ag(
ere) to drive, set in motion +
-tus ptp. suffix) +
-īre inf. suffix) +
-ing1]