As for the etymology the term enemy is derived from Latin language for 'bad friend' (Latin: inimicus). Enemy is a strong word, and emotions associated with the enemy would include anger, hatred, frustration, envy, jealousy, fear, distrust, and possibly grudging respect . As a political concept, an enemy is likely to be met with hate, violence, battle and war. The opposite of an enemy is a friend or ally.
diffusion. 1. The process of rapid random movement of the particles of a liquid or gas which eventually form a uniform mixture. 2. The mixing of substances due to the motion of their particles.
Definition-Diffusion is the spread of cultural aspects from a central point known as a hearth. The cultural aspects that can be spread include language, ideas, and religion. Explanation-The diffusion of a given idea can be attributed to various factors which are encompassed by the term diffusion.