The correct spelling of the word "Vanderpool" is phonetically transcribed as /ˈvændərpuːl/. The first syllable, "van," is pronounced with an open "a" sound, while the second syllable, "der," is pronounced with a schwa sound. The third syllable, "pool," is pronounced with a long "oo" sound. The combination of the "nd" and "er" sounds in the middle of the name can be tricky, but remembering to use a schwa sound instead of a hard "r" is key to proper pronunciation.
The word "Vanderpool" is a surname of Dutch origin. It is considered to be a combination of the Dutch word "van der", meaning "from the" or "of the", and "pool", which comes from the Old Dutch word "poel" meaning "pool" or "pond". The surname could have originated to describe someone who lived near a pool or pond, or it could have been derived from a place name.