Mehri

ˀáybəl - flint (ML 10)

Proto-MSA
*ˁibal - flint (Kogan 2015:548)
The etymology is uncertain. Consider Arb. ˀaˁbal ‘a mountain of which stones are white; rough, rugged thick stone which may be red, black or white’. (See Kogan 2015:548 for more detail).