What is Propolis?

Propolis is a substance honeybees make by combining their Secretion with resin collected from plants. A compound word Consisting of the ancient Greek terms ‘pro’(font) and ‘polis’(city), Propolis means a fortress defending a city, In fact, honeybees use this propolis to fill up crack in their home beehive or safeguard it against any harmful intruders from outside.