But Amnon
'Amnown (am-nohn')
faithful; Amnon (or Aminon), a son of David -- Amnon.
had a friend
rea` (ray'-ah)
an associate (more or less close) -- brother, companion, fellow, friend, husband, lover, neighbour, (an-)other.
whose name
shem (shame)
an appellation, as a mark or memorial of individuality; by implication honor, authority, character -- + base, (in-)fame(-ous), named(-d), renown, report.
was Jonadab
Yawnadab (yo-naw-dawb')
Jonadab, the name of an Israelite and of a Rechabite -- Jonadab.
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 Shimeah
Shim`ah (shim-aw')
annunciation; Shimah, an Israelite -- Shimeah.
David's
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
brother
'ach (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.
and Jonadab
Yawnadab (yo-naw-dawb')
Jonadab, the name of an Israelite and of a Rechabite -- Jonadab.
was a very
m`od (meh-ode')
vehemence, i.e. (with or without preposition) vehemently; by implication, wholly, speedily, etc.
subtil
chakam (khaw-kawm')
wise, (i.e. intelligent, skilful or artful) -- cunning (man), subtil, (un-), wise(hearted), man).
man
'iysh (eesh)
a man as an individual or a male person; often used as an adjunct to a more definite term (and in such cases frequently not expressed in translation)