歎
タン, なげ.く, なげ.き
grief, lamentation
JLPT0 G13 S0 F5000
欠
bent, open-mouthed figure + ?# as described in
漢
for the sound alone to simulate a *sigh/cry* (of *lament*, *admiration* etc.). Compare
嘆
.
[Full Kanji Etymology List]