bliss (v.) Look up bliss at Dictionary.com
often with out, by 1973, U.S. colloquial, from bliss (n.).
bliss (n.) Look up bliss at Dictionary.com
Old English blis, also bliðs "bliss, merriment, happiness, grace, favor," from Proto-Germanic *blithsjo (source also of Old Saxon blidsea, blizza), from *blithiz "gentle, kind" + *-tjo noun suffix. Originally mostly of earthly happiness; influenced by association with bless and blithe.