Now Joab
Yow'ab (yo-awb')
Jehovah-fathered; Joab, the name of three Israelites -- Joab.
the son
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Zeruiah
Tsruwyah (tser-oo-yaw')
wounded; Tserujah, an Israelitess -- Zeruiah.
perceived
yada` (yaw-dah')
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially
that the king's
melek (meh'-lek)
a king -- king, royal.
heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
was toward Absalom
'Abiyshalowm (ab-ee-shaw-lome')
father of peace (i.e. friendly); Abshalom, a son of David; also (the fuller form) a later Israelite -- Abishalom, Absalom.