Puer Tea Glossary - Zhi Zheng Tea Shop

„gan; 干 - dry. Sometimes used to describe a certain feeling in the mouth, typically on the tongue or in the throat that is either due to the nature of the tea, or the way it has been processed or stored. Distinct from astringrent. See also 燥/zao“

„Smokiness
The art of making tea from ancient tea trees is very old. Hand-roasting is not easily mastered. Any slight error will influence the taste of the tea. Smokiness or yan wei is one example but it should be distinguished from a burned flavour which is described as hu wei. The latter, typically arises when tea is not well roasted and is, unfortunately, not uncommon. Yan wei or smokiness is caused by oven drying. “