sió-ko͘小姑

youngest paternal aunt

youngest paternal aunt (father's youngest sister); sister-in-law (husband's younger sister)

English Wiktionary, “小姑” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B0%8F%E5%A7%91 · confidence: Medium (Wiktionary PH)