spartanize
/ˌspɑrtəˈnaɪz/Definitions
1. verb
to make or become simple, plain, and unadorned, typically in order to be more efficient or effective
“The company decided to spartanize its product line to focus on the essentials.”
2. noun
the process of making or becoming simple, plain, and unadorned
“The design of the new building was a result of the spartanization of the architectural style.”