ὀνικός G3684
onikós · on-ik-os' · Adjective
from ὄνος; belonging to a ass, i.e. large (so as to be turned by a ass):--millstone.
2 Occurrences in the King James Bible
Matthew 18:6But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and that he were drowned in the depth of the sea.
Luke 17:2It were better for him that a millstone were hanged about his neck, and he cast into the sea, than that he should offend one of these little ones.