앳기우다
aetgiuda
ENto lose, be dispossessed of
동사
Ne'e sala? Hatete mai ami / 틀렸나요? 알려 주세요
한 마디만 하모 돈 백냥 앳기낀데
In other words he lost 100 nyang.
Although not explicitly stated, the speaker is likely originally from Hamgyong province due to the use of certain vocabulary and grammar characteristic of the Hamgyong dialect. Her speech, however, is heavily influenced from the local Gyeongsang variety of Korean.