The spelling of the word "ensmallen" can be explained using the International Phonetic Alphabet (IPA). The prefix "en-" indicates a process of making something smaller, while the suffix "-en" is used to form a verb from an adjective or noun. The word "small" is pronounced /smɔːl/, and adding the suffix "-en" gives the pronunciation /smɔːlən/. Therefore, "ensmallen" is spelled with an "e" at the beginning to convey the process of making something smaller, and a "-en" at the end to indicate the verb form.
The word "ensmallen" is a humorous coinage originating from the TV show "The Simpsons". It was first used in a 1996 episode titled "Lisa the Iconoclast". In this episode, the character Principal Skinner makes up the word "ensmallen" as an antonym of "embiggen" (another fictional word created for the show), meaning to make smaller or shrink. Both words were invented to demonstrate the quirky linguistic history of the fictional town of Springfield. Although "ensmallen" is not recognized in the standard English lexicon, it gained some popularity and usage in humorous contexts.