And he brought in
bow'  (bo)
to go or come (in a wide variety of applications)
the priests
kohen  (ko-hane')
literally, one officiating, a priest; also (by courtesy) an acting priest (although a layman) -- chief ruler, own, priest, prince, principal officer.
and the Levites
Leviyiy  (lay-vee-ee')
a Levite or descendant of Levi -- Leviite.
and gathered them together
'acaph  (aw-saf')
to gather for any purpose; hence, to receive, take away, i.e. remove
into the east
mizrach  (miz-rawkh')
sunrise, i.e. the east -- east (side, -ward), (sun-)rising (of the sun).
rchob  (rekh-obe')
a width, i.e. (concretely) avenue or area -- broad place (way), street.