阿冬音

Reconstruction notes
and are well-established Old Korean phonograms for  and  respectively, while  is a phonogram common throughout East Asia to represent the initial vowel. Hence, the pronunciation directly loyal to the actual orthography is.

However, many linguists prefer to reconstruct instead, especially in order to allow a regular Middle Korean reflex via intervocalic lenition in  where  is an adjective-deriving suffix attached to nouns, whereas  >  requires positing an irregular change. Though controversial, there may be toponyms in the twelfth-century where the sequence 冬音 is to be read as.