Strong's Concordance

Original word: טְחוֹן
Transliteration: tchown
Definition (short): grind
Definition (full): a hand mill, a millstone

Strong's Exhaustive Concordance

From tachan; a hand mill; hence, a millstone -- to grind.

see HEBREW tachan

KJV: They have not known nor understood: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.
NASB: They do not know, nor do they understand, for He has smeared over their eyes so that they cannot see and their hearts so that they cannot comprehend.
KJV: They took the young men to grind, and the children fell under the wood.
NASB: Young men worked at the grinding mill, And youths stumbled under loads of wood.