모르다

Etymology
very likely originally a contraction equivalent to modern +, with intervocalic lenition of  to  during the transition from Old to Middle Korean. Compare 🇨🇬.

The original adverb resurfaces in the long negation.

Verb

 * 1)  to not know, to be ignorant of
 * 2)  to be possibly so
 * 3)  to not care
 * 1)  to be possibly so
 * 2)  to not care
 * 1)  to not care
 * 1)  to not care
 * 1)  to not care
 * 1)  to not care
 * 1)  to not care