The idiom "alpha and omega" finds its origin in religious and philosophical contexts, specifically rooted in Christianity. It refers to the first and last letters of the Greek alphabet, alpha (Α) and omega (Ω), which symbolize the beginning and the end. In its figurative usage, "alpha and omega" signifies the most important or essential parts or features of something, encompassing the entirety of a concept or idea.

英語での「alpha and omega」の定義と意味

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