宋本廣韻
廣韻目次：上四十九敢小韻反切聲母韻母聲調平水韻等呼韻攝韻部国际音标罗马字膽都敢端談上聲感開口一等咸談tɑmtamx／taam方言集汇
◎ 粤语：daam2
English
a silicate substance from the salt-wells in Szechwan; it is used as a wash for hardening plaster， etc。， also for certain skin diseases， like ringworm， sulphate of copper