Latin: In the civil law. Delay: default; neglect; culpable delay or default Calvin. Sax. A moor; barren or unprofitable ground; marsh; a heath; a watery bog or moor. A watery or boggy moor; a morass. Mora reprobatur in lege. Delay is reprobated in law.
MORA
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.