propolis

詳細解釋：

prop.o.lis

n.（名詞）
A resinous substance collected from the buds of certain trees by bees and used as a cement or sealant in the construction of their hives.
蜂膠：蜜蜂采自某些樹的花的膠狀物，在建築蜂窩時用作加固或密封材料

來源：
Latin
拉丁語
from Greek [suburb, bee glue (from the fact that it was originally the name of a structure around the opening into the hive)]
源自 希臘語 [郊區，蜂膠（由於它本來是蜂窩入口的周轉結構的名稱而得此名）]
pro- [before] * see pro- 2
pro- [在…之前] *參見 pro-2
polis [city] * see pel…- 3
polis [城市] *參見 pel…- 3