つ	ち
土

noun

1. earth, soil, dirt, clay, mud.
2. the earth (historically, esp. as opposed to the heavens), the ground, the land.
3. low-quality torinoko-gami (containing mud).
4. (period of) refraining from construction in the direction of the god of the earth (in Onmyōdō). Also written as 犯土, 椎, 槌.