A variant root to PS *dwr. At least some of the MSA lexemes may be borrowed from Arabic.
dahr- ‘time, period of time; age, duration of life; eternity’ (Lane 923)
dahr- ‘time, period of time; age, duration of life; eternity’ (Lane 923)
dahr- ‘time, period of time; age, duration of life; eternity’ (Lane 923)