The correct spelling of the phrase is "more sluggard." Sluggard is spelled with a "d" at the end because it is a noun that refers to a lazy or sluggish person. The IPA phonetic transcription for sluggard is /ˈslʌɡɚd/. The "u" in "sluggard" is pronounced with a short "uh" sound, while the "a" is pronounced with a short "ah" sound. People who are referred to as sluggards tend to be unmotivated and slothful in their behavior.
The word "sluggard" is a noun that refers to a lazy or slow person. Its etymology can be traced back to the Middle English word "sluggere", which came from the Old English "sluge" meaning "lazy".
On the other hand, the word "more" is an adjective used to describe something as greater in size, amount, or intensity. It has its origins in the Old English word "māra", which evolved from the Proto-Germanic word "maizô", meaning "greater" or "more".
Combining "more" and "sluggard" creates the phrase "more sluggard", which can be interpreted as a way of emphasizing or intensifying the description of someone's laziness or slowness.