Pronounced ta han (entering tone) in Guangyun, and ta gan (entering tone) in Jiyun, same pronunciation as "tan". Guangyun explains it as the tongue sticking out. Jiyun explains it as "tun du", which is the appearance of sticking out the tongue. In "Ode to the Palace of Lingguang (Lulingguangdian Fu)" by Wang Yanshou, there is "xiong tun du yi yin yin". Also pronounced tu lan (entering tone) in Jiyun, same pronunciation as "tan". Also pronounced ta nian (entering tone) in Leipian, same pronunciation as "gua". Also pronounced nu yan (entering tone) in Guangyun, with the pronunciation []. The meaning is the same. Jiyun also writes it as "tun".