-을

Particle

 * 1) indicates the direct object of a verb

Usage notes

 * is used after a word ending with a consonant. If the preceding word ends in a vowel, is used instead.

Etymology 1
From, from  in the early second millennium, from even earlier  in the late first millennium. The post-vocalic form is probably formed by pre-Middle Korean reduplication, with the original form  now relegated to colloquial speech.

Usage notes

 * Note that Korean verbal transitivity can differ from the English equivalent. In particular, verbs of motion can take direct objects, and most compound verbs with function as transitive verbs where the meaningful element is a noun which is the direct object of.
 * Korean case-marking particles can be omitted if the case is obvious from context; in such cases, the particle has an emphatic sense.
 * can occur after the locative particle and the instrumental particle.

Etymology 2
From, from.

In Old Korean, a (perhaps the) primary function of this suffix was to form verbal gerunds that could function as nouns, much as English -forms serve as both independent nouns and to attribute nouns adjectivally; this nominalizing usage was only vestigial in Middle Korean and is wholly defunct today.

Usage notes

 * Compare the realis/irrealis contrast:

Etymology
From.