mourn

Etymology

From Middle English mornen, mournen, from Old English murnan, from Proto-Germanic *murnaną. Cognate with French morne (“gloomy”).

verb

1. (transitive, intransitive) To express sadness or sorrow for; to grieve over (especially a death).
   Thane Krios: It seems there will be no one to mourn me when I die. You're the only friend I've made in ten years. 2012, BioWare, Mass Effect 3 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Nightmare
2. (transitive) To utter in a sorrowful manner.
3. (intransitive) To wear mourning.

noun

1. (now literary) Sorrow, grief.
2. A ring fitted upon the head of a lance to prevent wounding an adversary in tilting.