nidan verb (lower class) with 'ru' ending (archaic), intransitive verb
escape harm; be spared
Archaic intransitive verb; the modern equivalent is 免れる (まぬがれる). Used in classical Japanese to mean avoiding danger or being saved from a bad situation.
See also: 免れる
古典では「災いを免る」のように使われた。
In classical texts, it was used like 'to escape calamity'.