r-irregular conjugation (classical Japanese)
A technical grammar term referring to the classical Japanese verb conjugation class that includes あり, をり, はべり, and いまそかり. These verbs show an irregular stem ending in ラ行 (r-row) sounds. The term is used primarily in linguistic or pedagogical contexts.
In classical Japanese grammar, あり, をり, はべり, and いまそかり are classified as r-irregular conjugation verbs.