Thou sittest
yashab (yaw-shab')
to sit down (specifically as judge. in ambush, in quiet); by implication, to dwell, to remain; causatively, to settle, to marry
and speakest
dabar (daw-bar')
perhaps properly, to arrange; but used figuratively (of words), to speak; rarely (in a destructive sense) to subdue
against thy 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.
thou
nathan (naw-than')
to give, used with greatest latitude of application (put, make, etc.)
slanderest
dophiy (dof'-ee)
a stumbling-block -- slanderest.
thine own mother's
'em (ame)
a mother (as the bond of the family); in a wide sense (both literally and figuratively) -- dam, mother, parting.
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.