Zi Collection, Upper Volume Radical: Door (hù) Page 244, Entry 03 Recorded in "Jiyun" and "Leipian" as having the pronunciation "ju yin qie," sounding similar to "jin." "Yangzi's Fangyan" explains it as meaning "grid." "Leipian" states that it currently refers to a grid made of bamboo or wood. Another explanation is a tool used to prop open a door.