And when they shall blow
taqa`  (taw-kah')
to clatter, i.e. slap (the hands together), clang (an instrument); by analogy, to drive (a nail or tent-pin, a dart, etc.); by implication, to become bondsman by handclasping)
with them
hen  (hane)
they (only used when emphatic) -- in, such like, (with) them, thereby, therein, (more than) they, wherein, in which, whom, withal.
all the assembly
`edah  (ay-daw')
a stated assemblage (specifically, a concourse, or generally, a family or crowd) -- assembly, company, congregation, multitude, people, swarm.
shall assemble
ya`ad  (yaw-ad')
to fix upon (by agreement or appointment); by implication, to meet (at a stated time), to summon (to trial), to direct (in a certain quarter or position), to engage (for marriage)
themselves to thee at the door
pethach  (peh'-thakh)
an opening (literally), i.e. door (gate) or entrance way -- door, entering (in), entrance (-ry), gate, opening, place.
of the tabernacle
'ohel  (o'-hel)
a tent (as clearly conspicuous from a distance) -- covering, (dwelling)(place), home, tabernacle, tent.
of the congregation
mow`ed  (mo-ade')
appointed (sign, time), (place of, solemn) assembly, congregation, (set, solemn) feast, (appointed, due) season, solemn(-ity), synogogue, (set) time (appointed).