They took the young men to grind - This was the work of female slaves. See the note on Isaiah 47:2.
They took the young men to grind - Or, “The young men” have borne the mill, a menial and laborious task usually performed by slaves (compare Isaiah 47:2).
The children fell under the wood - Or, lads have stumbled under burdens of wood. By lads are meant youths up to the age of military service; another form of menial labor.