ichidan verb, intransitive verb
behave roughly; get wild
Archaic intransitive verb meaning to act in a rough, wild, or violent manner. In modern Japanese, 荒ぶる (あらぶる) or 荒れる (あれる) are more common.
See also: 荒ぶ
古語では「心が荒びる」のように使われた。
In classical language, it was used like 'the heart grows wild'.
Derived from the adjective 荒い (あらい, 'rough, wild') with the archaic verb-forming suffix ぶ, indicating 'to become or act in a certain way'. The exact historical development is uncertain.