entries → 警惕
TSUMUGU · TOCFL 5 (est.) · 詞
警惕 word · TOCFL 5 (est.)
警惕 ＝ 警 ＋ 惕
ㄐㄧㄥˇ ㄊㄧˋ · jǐngtì
verb — to be on guard, to stay alert to danger

字源 FORM — what the parts do

警to alert, to warn (警告)jǐng
惕wary, watchful (惕厲)tì忄 the heart-radical; 易 yì gives the sound
警惕，警告的警，惕厲的惕。
關 · Related
警覺jǐngjuéalert — the same 警提防dīfángto guard against — the plain word