I am in my exercise era right now, I have been going to the gym every morning.

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The slang term "era" has its roots in the word's traditional use, which dates back to 1615 in English. Derived from Late Latin "aera," meaning "an era or epoch from which time is reckoned". The term began to gain traction on popular social media platforms such as Instagram and Twitter, but specifically TikTok. Influencers and users began to utilize it to label specific periods of their lives or careers. Taylor Swift contributed heavily to the popularity of the term with her "Eras Tour," announced in November 2022. The tour is still ongoing internationally, and she both celebrates and performs songs from various phases of her career. This further embedded the term in contemporary language and culture.

Though the term is often used for personal or memetic phrases, it can also be used in a serious cultural context. For example, one may note how we are in an era of cell phone dominance as a generation. This versatility makes "era" a powerful and relatable term in modern slang, capturing both the lighthearted and significant phases of contemporary life.