מִכְשׁוֹל mikshôwl (H4383)

a stumbling-block, literally or figuratively (obstacle, enticement (specifically an idol), scruple)

1) a stumbling, means or occasion of stumbling, stumbling block 1a) stumbling, fall 1b) means or occasion of stumbling, stumbling block

or מִכְשֹׁל; masculine from כָּשַׁל (H3782);