しまう

Etymology 1
From root shim-, cognate with classical verb and modern verb 🇰🇲.

Verb

 * 1) to close
 * 2) to finish, do something completely
 * 3) to put away, to put an end to
 * 4) is, or was (with conjugation), done completely
 * 5) happens, or happened, unexpectedly
 * 6) is done with difficulty
 * 7) happens, or is done with regret afterward; end up
 * 1) is done with difficulty
 * 2) happens, or is done with regret afterward; end up

Usage notes

 * Usually written in hiragana.
 * The auxiliary use is always appended to the conjunctive (-te form) of a verb.
 * and can be contracted to  and . These two forms conjugate like godan verbs and are often used in casual speech.
 * There are also and, which sound old-fashioned.
 * Due to changes in spelling rules during the 20th century, the voiced versions and  may be more commonly encountered as  and.
 * Due to changes in spelling rules during the 20th century, the voiced versions and  may be more commonly encountered as  and.