一切經音義 18.62

18.62

Ditches and gullies (the upper character is [pronounced with the fanqie] 古 + 侯. Zheng's commentary on the Zhouli says: 'A gou (ditch) is that by which water is conveyed to a river; four feet wide and four feet deep is called a gou.' The lower character is [pronounced with the fanqie] 訶 + 各. Zheng's commentary on the Liji says: 'He (gully) is a pit.' The Erya says: 'He means empty.' Guo's commentary says: 'It refers to pits, moats, mounds, and ruins.' The Shuowen says: 'A gully is a ditch; it takes the rui radical and the earth radical').