This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 叞 is uncertain. It may be a variant or ancient form of 尉, but this is not confirmed.
The shape combines 尸 (corpse), 二 (two), 小 (small), and 又 (hand). Picture a hand holding something small over two corpses, but the meaning is unclear.
For イ, imagine an eagle (イーグル) perched on the top of the character, its sharp eye watching over the uncertain scene below.