noun
management of one's livelihood; management of one's property
Refers to the overall management of one's household economy, including both livelihood and property. Somewhat formal or literary.
治産の道を誤ると、家計が苦しくなる。
If you mismanage your household economy, your finances will suffer.
彼は若くして治産に長けていた。
He was skilled at managing his livelihood from a young age.
Composed of 治 (manage, govern) and 産 (property, livelihood). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of managing one's household economy.