Origin: Latin suffix -ible
Incomprehensible has 4 different meanings across 1 category:
Anything that is beyond understanding.
incapable of being explained or accounted for
"inexplicable errors"
"left the house at three in the morning for inexplicable reasons"
difficult to understand
"the most incomprehensible thing about the universe is that it is comprehensible"
impossible or very difficult to understand.