1. (of an egg) Rotten
2. Confused
3. Putrid; barren; muddled.

ETYM Old Eng. adlen, adilen, to gain, acquire; prob. from Icel. öthlask to acquire property, akin to othal property. Related to Allodial.
1. To become rotten; of eggs.
2. To mix up or confuse; SYN. muddle, puddle.