They that sanctify
qadash  (kaw-dash')
to be (causatively, make, pronounce or observe as) clean (ceremonially or morally)
themselves and purify
taher  (taw-hare')
be (make, make self, pronounce) clean, cleanse (self), purge, purify(-ier, self).
themselves in the gardens
gannah  (gan-naw')
a garden -- garden.
'achar  (akh-ar')
the hind part; generally used as an adverb or conjunction, after (in various senses)
'echad  (ekh-awd')
united, i.e. one; or (as an ordinal) first
tree in the midst
tavek  (taw'-vek)
a bisection, i.e. (by implication) the centre -- among(-st), between, half, (there-,where-), in(-to), middle, mid(-night), midst (among), out (of), through, with(-in).
'akal  (aw-kal')
to eat -- at all, burn up, consume, devour(-er, up), dine, eat(-er, up), feed (with), food, freely, in...wise(-deed, plenty), (lay) meat, quite.
chaziyr  (khaz-eer')
a hog (perhaps as penned) -- boar, swine.
basar  (baw-sawr')
flesh (from its freshness); by extension, body, person; also (by euphem.) the pudenda of a man -- body, (fat, lean) flesh(-ed), kin, (man-)kind, + nakedness, self, skin.
and the abomination
sheqets  (sheh'-kets)
filth, i.e. (figuratively and specifically) an idolatrous object -- abominable(-tion).
and the mouse
`akbar  (ak-bawr')
a mouse (as nibbling) -- mouse.
shall be consumed
cuwph  (soof)
to snatch away, i.e. terminate -- consume, have an end, perish, be utterly.
yachad  (yakh'-ad)
a unit, i.e. (adverb) unitedly -- alike, at all (once), both, likewise, only, (al-)together, withal.
n'um  (neh-oom')
an oracle -- (hath) said, saith.
the LORD
Yhovah  (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.