weeklong

• week-long

From week + -long.

weeklong (not comparable)

1. Lasting for (approximately) one week.
   • 2012 July 21, Mark Oppenheimer, “‘Purity Balls’ Get Attention, but Might Not Be All They Claim”, in The New York Times‎^[1], archived from the original on 12 November 2020:

     One of those daughters, Jordyn Wilson Peppin, runs the Purely Woman School of Grace, a weeklong program where “ladies” can learn a godly path to “etiquette, grace and hosting.”

   • 2022, Lindsey Fitzharris, The Facemaker, page 105:

     They felt confident that the weeklong artillery bombardment of the German lines had weakened the enemy and that they would encounter little resistance once the "big push" began.

• daylong, dayslong
• monthlong, monthslong
• weekslong

• knowlege