{A second time} (deuteron). Adverbial accusative, a
heavenly encore. {They say} (eir(886b)an). Perfect active
indicative of eipon. "They have said," not an "aoristic"
perfect for "they say," but vivid dramatic perfect as in  5:7 
and the form in -an instead of -asin as in  18:3  21:6 .
{Goeth up} (anabainei). Linear present active indicative of
anabain(935c), "keeps on going up," "a last touch to the description
already given ( 18:21ff. ) of Babylon's utter collapse" (Swete).
The smoke of the city's ruin ( 14:11  18:8f.,18 ) instead of
incense ( 8:4 ). Cf.  Isa 34:9f .