entries → 字眼
TSUMUGU · TOCFL C1 (est.) · 詞
字眼 word · TOCFL C1 (est.)
字眼 ＝ 字 ＋ 眼
ㄗˋ ㄧㄢˇ · zìyǎn
noun — a (chosen, telling) word; the wording one picks

字源 FORM — what the parts do

字a written character (文字)zì
眼the telling spot, the key point (眼)yǎnas in 詩眼 — the one word that carries the line
關 · Related
字眼兒zìyǎnrthe spoken erhua form — the same word with a colloquial -r tail用字yòngzìone's choice of words — the same concern, the same 字