Pronunciation: [sˈiːz əpˌɒn] (IPA) 
The spelling of "seize upon" can be a bit tricky due to the silent "e" at the end of "seize" and the pronunciation of the "u" in "upon". The IPA transcription of this word is /siːz əˈpɒn/. The letter "e" in "seize" has no sound because it is used to indicate a long vowel sound in the preceding letter "i". The letter "u" in "upon" is pronounced as an "uh" sound, represented by the IPA symbol schwa (ə).
The phrase "seize upon" is a verb phrase that typically refers to taking advantage of an opportunity or idea quickly and enthusiastically. It denotes the act of eagerly embracing or grabbing hold of something, either physically or metaphorically. It implies a sense of urgency and enthusiasm in recognizing and capitalizing on a situation, concept, or suggestion.
In a literal sense, "seize upon" can refer to physically grabbing or capturing something promptly, often with force or determination. This action is usually associated with physically holding or grasping an object or person.
Metaphorically, "seize upon" signifies actively and enthusiastically taking advantage of an opportunity or idea. It conveys the act of recognizing the potential or value in a situation and enthusiastically embracing it. This could be in the context of a business opportunity, a creative concept, or an intellectual argument.
The phrase suggests a proactive and assertive approach, where one is quick to identify and exploit advantageous circumstances. It is often used to describe individuals who possess sharp intuition and the ability to quickly discern important details or recognize potential outcomes.
Overall, "seize upon" portrays a sense of seizing, grasping, or taking control of an opportunity or idea with enthusiasm, decisiveness, and speed.
The word "seize" comes from the Old French word "seisir" which means "to take hold of" or "to grasp". It was ultimately derived from the Latin word "sēdēre" which means "to sit". The addition of the preposition "upon" adds the idea of doing something suddenly or eagerly. Thus, the phrase "seize upon" means to quickly or eagerly take hold of something or to grasp an opportunity.
