quotidian [kwoʊˈtɪdiən] a.
1.) Everyday; commonplace.
2.) Recurring daily. Used especially of attacks of malaria (The American Heritage Dictionary of English).
Etymology: Middle English cotidien, from Old French, from Latin quotidianus, from quotidia, each day: quot, how many, as many as + dia, ablative of dias, day.
"Tonight on The Report: death, sadness, despair, and disease; the myriad miseries of our quotidian existence; life as suffering; the world as sorrow; history as a nightmare from which no man can awake; and time as the dolorous thread doomed to perpetually circumnavigatein ever wider circlesthe pool of fate. Jon?" (The Daily Show with Jon Stewart, Steve Bodow (Head Writer), March 29 2007).