hâm-ióng涵養

self-possession

self-possession; self-restraint; to conserve (e.g. water)

English Wiktionary, “涵養” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%B6%B5%E9%A4%8A · confidence: Medium (Wiktionary, Hokkien)