Xu Collection, Upper Volume
Radical: Metal (jīn)
Character: Tan
Kangxi Strokes: 16
Page 1310, Entry 21
Tang Rhymes (Tangyun) and Collected Rhymes (Jiyun): Pronounced tan.
Shuowen Jiezi: Defined as a long spear.
Exemplar of Dialects (Fangyan) by Yang Xiong (Yangzi): Records that tan is also known as pi.
Also, Collected Rhymes (Jiyun): Pronounced tan.
Also, pronounced jian. The meaning is the same.
Also, Collected Rhymes (Jiyun): Pronounced xian. Means sharp.
Records of the Grand Historian (Shiji), Annals of Qin Shi Huang: Records, is it not sharper than the long halberds of the Bi and Ju states. Commentary: In some versions, tan is written as xian.
Also, Collected Rhymes (Jiyun), Rhyme Compilation (Yunhui), and Correct Rhymes (Zhengyun): Pronounced yan. Means a sharp blade.
Records of the Grand Historian (Shiji), Biography of Su Qin: Records, sharp spears are at the rear. Commentary: Tan is pronounced yan.