entries → 嫂子
TSUMUGU · TOCFL C1 (est.) · 詞
嫂子 word · TOCFL C1 (est.)
嫂子 ＝ 嫂 ＋ 子
ㄙㄠˇ ˙ㄗ · sǎozi
noun — elder brother's wife; (form of address) sister-in-law, ma'am

字源 FORM — what the parts do

嫂elder brother's wife (大嫂)sǎo
子noun suffix (椅子)zineutral-tone suffix here, not "child"
關 · Related
大嫂dàsǎoeldest brother's wife — the 嫂 without the suffix弟妹dìmèiyounger brother's wife — the counterpart by rank