And it shall come to pass at that day
yowm (yome)
a day (as the warm hours),
saith
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.
that the heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
of the king
melek (meh'-lek)
a king -- king, royal.
shall perish
'abad (aw-bad')
to wander away, i.e. lose oneself; by implication to perish (causative, destroy)
and the heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
of the princes
sar (sar)
a head person (of any rank or class) -- captain (that had rule), chief (captain), general, governor, keeper, lord, (-task-)master, prince(-ipal), ruler, steward.
and 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.
shall be astonished
shamem (shaw-mame')
to stun (or intransitively, grow numb), i.e. devastate or (figuratively) stupefy (both usually in a passive sense)
and the prophets
nabiy' (naw-bee')
a prophet or (generally) inspired man -- prophecy, that prophesy, prophet.
shall wonder
tamahh (taw-mah')
to be in consternation -- be amazed, be astonished, marvel(-lously), wonder.