The burden
massa'  (mas-saw')
burden, carry away, prophecy, they set, song, tribute.
of the valley
gay'  (gah'-ee)
a gorge (from its lofty sides; hence, narrow, but not a gully or winter-torrent) -- valley.
of vision
chizzayown  (khiz-zaw-yone')
a revelation, expectation by dream -- vision.
What aileth thee now
'ephow  (ay-fo')
strictly a demonstrative particle, here; but used of time, now or then -- here, now, where?
that thou art wholly gone up
`alah  (aw-law')
to ascend, intransitively (be high) or actively (mount); used in a great variety of senses, primary and secondary, literal and figurative (as follow)
to the housetops
gag  (gawg)
a roof; by analogy, the top of an altar -- roof (of the house), (house) top (of the house).