"to order or promulgate with authority," late 14c., decreen, from decree (n.). Related: Decreed; decreeing.
"special ordinance or regulation promulgated by authority," early 14c., originally ecclesiastical, secular use is by late 14c., from Old French decre, variant of decret (12c., Modern French décret), from Latin decretum, neuter of decretus, past participle of decernere "to decree, decide, pronounce a decision," from de (see de-) + cernere "to separate" (from PIE root *krei- "to sieve," thus "discriminate, distinguish").
"pertaining to or following a decree," 1630s, from Latin decretorius, from decretum (see decree (n.)). Related: Decretorial (1580s).
It forms all or part of: ascertain; certain; concern; concert; crime; criminal; crisis; critic; criterion; decree; diacritic; discern; disconcert; discreet; discriminate; endocrine; excrement; excrete; garble; hypocrisy; incertitude; recrement; recriminate; riddle (n.2) "coarse sieve;" secret; secretary.
It is the hypothetical source of/evidence for its existence is provided by: Greek krinein "to separate, decide, judge," krinesthai "to explain;" Latin cribrum "sieve," crimen "judgment, crime," cernere "to sift, distinguish, separate;" Old Irish criathar, Old Welsh cruitr "sieve;" Middle Irish crich "border, boundary;" Old English hriddel "sieve."
late 14c., predestinen, "to foreordain, decree beforehand," from Old French prédestiner (12c.) "predestine, ordain" (of God) and directly from Latin praedestinare "determine beforehand" (see predestination). Related: Predestined; predestining.