khí齒

tooth

tooth; tooth- or zigzag-like thing, such as a sawtooth, cogwheel, or fern; age (of a person or animal); to juxtapose; to put side by side

anatomy

English Wiktionary, “齒” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%BD%92 · confidence: High (Wiktionary, PH/Quanzhou/Jinjiang)