坎儿

critical juncture / key moment

pit / threshold / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing water / ☵

old variant of 坎[kan3] / pit / hole

variant of 人[ren2] / "person" radical in Chinese characters (Kangxi radical 10), occurring in 兒, 兀, 兄 etc

child / son

non-syllabic diminutive suffix / retroflex final

erhua variant of 土坎[tu3 kan3]

erhua variant of 門坎|门坎[men2 kan3]

karez, qanat or "horizontal well" (irrigation and water management system used in Xinjiang, Central Asia and Middle East)