1. Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending

   to receive permission

   see 御免を蒙る

2. to leave (with someone's permission); to retire

3. to refuse; to beg off doing

Also written 御免蒙る【ごめんこうむる】gomenkoumuru、御免こうむる【ごめんこうむる】gomenkoumuru