あばく

Etymology 1
Recorded since at least the early 1100s CE. Likely cognate with adjective, verb. Possibly also cognate with adjective.

Verb

 * 1)  to dig something up or out, to excavate or exhume something
 * 2)  to open something previously closed, to unrestrict something, to cut something loose or free
 * 3)  to disclose (a secret), to expose (a crime), to lay bare, to divulge
 * 4) * Tanaka Corpus
 * 1) * Tanaka Corpus

Etymology 2
Unclear. May derive from the form of abaku above, possibly as a sense development. Compare the English expressions, →  in the sense of  → become , to go to.

Verb

 * 1)   to become sparse, to grow wild, to fall apart, to fall into ruin
 * 2)   to be careless
 * 1)   to be careless

Usage notes
Superseded in modern Japanese by the form, as the expected regular development of the earlier form. The sense also appears to have shifted somewhat, with a modern emphasis on in, and  in.

Usage might be restricted to regional dialects. This term does not appear in various dictionaries that focus on standard Japanese.

Derived terms

 * : a rash or careless person; a waggish or jocular person, someone who enjoys messing around

Etymology 3
. Listed in the  of 1603.

May be related to the above forms of abaku from the general sense of unrestrainedness.

Pronunciation

 * Pitch accent uncertain.

Verb

 * 1)  to fit into a space
 * 2)  to overflow, to overabound, to be too much
 * 1)  to overflow, to overabound, to be too much
 * 1)  to overflow, to overabound, to be too much

Usage notes
Seems to have fallen out of use; not included in many dictionaries. No kanji spelling is used in available historical materials.

The two senses provided by the  have almost opposite meanings, which may suggest a mistake.