kue階

stair

stair; step; rank; degree; level; seniority; order of precedence; phase; stage (serially-ordered division of time, level of completion, etc.); scale

musicmathematics

English Wiktionary, “階” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%9A%8E · confidence: Medium (Wiktionary, Hokkien)