泥土
nítǔ · HSK 7
earth
🪱 泥 mud + 土 earth/soil = the wet, muddy ground; nítǔ sounds like knee-too
泥 — water radical 氵 + 尼 (phonetic)
泥 is a phono-semantic compound. The water radical 氵 indicates a connection to water or wetness, while 尼 (ní) supplies the pronunciation. Together they denote 'mud'—earth mixed with water—and by extension soft, sticky substances like plaster or paste.
土 — pictograph of a mound of earth on the ground
土 is a pictograph showing a lump or mound of soil resting on the ground line. In oracle bone script it depicted an earthen heap, sometimes interpreted as an altar to the earth god. The meaning has remained stable: earth, soil, or ground.