乶下

Polha, a place in the Joseon dynasty province of Hamgyeong 咸鏡道|咸镜道[Xian2 jing4 Dao4]

(phonetic "pol", used in Korean place names)

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action