Word for last month

sybaritic

SYLLABICATION:syb?a?rit?ic
PRONUNCIATION: sb-rtk
ADJECTIVE:1. Devoted to or marked by pleasure and luxury. 2. Sybaritic Of or relating to Sybaris or its people.
OTHER FORMS:Syba?riti?cal?ly ?ADVERB"
-- I picked this one up throughout McMaster Bujold's Vorkosigan Saga