chí-tiǔⁿ姊丈

brother-in-law

brother-in-law (elder sister's husband)

English Wiktionary, “姊丈” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%A7%8A%E4%B8%88 · confidence: High (Wiktionary, PH/Quanzhou/Jinjiang)