From Wiktionary, the free dictionary
굴허ᇰ〮 (kwùlhéng )
depression in land :
hole , pit (depression in the ground)
1482 , 南明集諺解 / 남명집언해 [Nammyeongjip eonhae ], page I:60a :그 比( 삥〮 ) 丘( 쿠ᇢ ) ᅟㅣ 怒( 농〯 ) ᄒᆞ〮야 그 겨〯지 블〮 ᄧᅩᄎᆞ〮니 기픈〮 굴허ᇰ〮 에 ᄲᅡ〮디〮여 주그〮니 kù PPÍ.KHWÙW-y NWǑ-hóyà kù kyěcìp-úl pcwòchónì kìphún kwùlhéng -èy spátíyè cwùkúnì The furious bhikkhu chased after the woman, only for her to die falling into a deep pit .
gully ; ditch
1459 , 月印釋譜 / 월인석보 [Worin seokbo ], pages 15:13a–b :ᄯᅡ〮 平( 뼈ᇰ ) 호〮 미〮 소ᇇ바다ᇰ〮 ᄀᆞᆮ〮ᄒᆞ〮야〮 뫼〯히 며〮 두들〮기 며〮 시〯내〯 며〮 굴허〮ᅌᅵ〮 업〯고〮 stá PPYÈNG-hwóm-í swònspàtáng kóthóyá mwǒyh-ìmyé twùtúlk-ìmyé sǐnǎy-myé kwùlhéng -í ěpkwó The land will be as level as the palm of the hand, free of mountains or hills, streams or gorges .
alley
1447 , “Stanza 48”, in 龍飛御天歌 / 용비어천가 [Yongbi Eocheon'ga ]:굴허〮ᅌᅦ〮 ᄆᆞ ᄅᆞᆯ〮 디〯내〯샤〮 도ᄌᆞ 기〮 다〯 도라〮가니〮 半 길〯 노ᄑᆡᆫ〮 ᄃᆞᆯ〮 년 기〮 디〯나리〮ᅌᅵᆺ가〮 kwùlhéng -éy mòl-ól tǐnǎysyá twòcòk-í tǎ twòlákàní PAN kǐl nwòphóy-ntól nyènk-í tǐnàlíngìká[Chased] into an alley , [emperor Taizu ] had his horse leap over [a cliff a gil high], and all the bandits [had no choice but to] turn back. Even if it were half a gil high, could anyone else [i.e. the bandits] have done the same?
1481 , “題鄭十八著作丈 / 제정십팔저작장 ”, in 分類杜工部詩諺解 / 분류두공부시언해 [Bullyu Dugongbu Si Eonhae ], page 21:40b :기픈〮 굴허〮ᅌᅵ 슬프고〮 車馬ㅣ 그츠〮니 書案ㅅ 그 테〮 글〮 닑던〮 반〮되 ᄆᆞᆯ라〮 주 겟〮 도다〮 kìphún kwùlhéng -ì sùlphùkwó KE.MA-y kùchúnì SYE.AN-s kùth-éy kúl nìlktén pántwòy mòllá cwùké-ys-twòtá Desolate is the alley , its carriages and horses gone; dried up and dead are the fireflies on your desk, by [whose glow] you once read.
Early Modern Korean: 굴헝 ( kwulheng ) , 굴엉 ( kwuleng ) , 구렁 ( kwuleng )
Jeju: 굴헝 ( gulheong )