[δύσκολος] from G1418 and κόλον (food); properly, fastidious about eating (peevish), i.e. (genitive case) impracticable
Usages throughout the bible
Mark 10:24
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And the disciples were astonished at his words. But Jesus answereth again, and saith unto them, Children, how hard G1422 is it for them that trust in riches to enter into the kingdom of God!
