dabbara - to consider, forecast the results of the affair; to meditate upon; to relate the tradition received from another person
(Lane 844)
hardly any direct connection to *dbr - ‘to speak’, all meanings look like internal Arabic developments from “to follow” (which
is the basic meaning of dbr in Arb)
Arabic
dbr - IV. to go backward, to a bad state; to die
(BK 1 664, Lane 845)
Probably related Arb. form with a shifted meaning.
Arabic
dubr-, dubur- - backside, posteriors, buttocks, rump, podex, anus
(BK 1 665, Lane 846)
Arabic
dabr- - location, or quarter, that is behind a thing
(BK 1 665, Lane 845)