[péi tǔ]
[农] hill up; earth up; bank up with earth; ridge; ridging; dirt
earth up a plant or its root
给植物或它的根培土
[中医] reinforcing the spleen (earth)
strengthening the lung by way of reinforcing the spleen
培土生金
reinforcing the spleen (earth) to check the liver (wood)
培土抑木