expatior
Could not find expassum in Logeion dictionaries.
expassum Adjective: neuter nominative singular, Verb: perfect passive participle masculine genitive plural, Verb: perfect passive participle neuter nominative singular, Verb: perfect passive participle neuter genitive plural, Verb: perfect passive participle neuter accusative singular, Verb: perfect passive participle neuter vocative singular, Verb: perfect passive participle masculine accusative singular of expatior
expătĭor, ti, v. exspatior.
expatior, s. ex-spatior.
See: expatiari
expătĭor, v. exspatior.