• 殿との — lord; palace; nobleman
• 〜殿〜どの — formal suffix (Mr. / Ms. / Sir)
• 殿堂でんどう — hall; grand building
• 神殿しんでん — temple; shrine hall
• 宮殿きゅうでん — palace
• 拝殿はいでん — main worship hall of a shrine

The radical 殳（るまた）means “weapon” or “action” — originally a hand holding a tool or weapon. Combined with the upper structure, 殿 came to mean a large, stately building — a place belonging to someone of high rank or authority. By extension, it’s also used as an honorific for people, as in 〜殿〜どの.