Correct spelling for the English word "slumest" is [slˈuːməst], [slˈuːməst], [s_l_ˈuː_m_ə_s_t] (IPA phonetic alphabet).
The word "slumest" is the second person singular form of the verb "slum", which is derived from Middle English "slumen" or "slemmen". However, "slumest" is not commonly used in modern English, and the more widely accepted form is "slum" as the base verb. The term "slum" originated in the late 18th century and is believed to have emerged from the British English slang term "slome", which meant a dirty, squalid room or a back alley. The exact etymology of "slome" is unclear, but it may be related to the Middle English word "slum" or "flay", meaning muddy or foul. Over time, "slum" eventually came to represent an overcrowded and impoverished urban area.