köken: Sino-Vietnamese word from 金 (“metal; gold”). This reading is irregular, the expected reading would be *câm; cf. cấm < 禁 (MC kimH), cầm < 琴 (MC gim). ⟨-im⟩ is a very rare rime in Sino-Vietnamese proper, with this and the homophonous kim < 今 (MC kim) being the only examples. It is possible that the usage of kim as the Sino-Vietnamese reading for 金 (MC kim) and 今 (MC kim) was to avoid homophony with…
Thổ sinh kim. Kim sinh thuỷ. Hoả khắc kim. Kim khắc mộc.