Out of all your gifts
mattanah  (mat-taw-naw')
a present; specifically (in a good sense), a sacrificial offering, (in a bad sense) a bribe -- gift.
ye shall offer
ruwm  (room)
to be high actively, to rise or raise (in various applications, literally or figuratively)
every heave offering
truwmah  (ter-oo-maw')
a present (as offered up), especially in sacrifice or as tribute -- gift, heave offering (shoulder), oblation, offered(-ing).
of the LORD
Yhovah  (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
of all the best
cheleb  (kheh'-leb)
from an unused root meaning to be fat; fat, whether literally or figuratively; hence, the richest or choice part -- best, fat(-ness), finest, grease, marrow.
thereof even the hallowed part
miqdash  (mik-dawsh')
a consecrated thing or place, especially, a palace, sanctuary (whether of Jehovah or of idols) or asylum -- chapel, hallowed part, holy place, sanctuary.
thereof out of it