The name "Millisent" is spelled as /mɪlɪsənt/ in International Phonetic Alphabet. It consists of two syllables, with the stress on the second syllable "sent". The "m" in "Millisent" is pronounced as in "mother", followed by the short vowel sound "i" and then "l" pronounced as in "lion". The second syllable contains the long "e" sound, followed by the consonant cluster "s-n-t". The spelling of "Millisent" is unique and not commonly used in modern day, reflecting its historical origins.
The name Millisent is believed to have Middle English origins, derived from the Old French name Melisende. It is derived from the Germanic elements mild meaning gentle or kind, and swinda meaning strength. The name was relatively popular during the medieval period and eventually evolved into different forms, including variants like Millicent, Melisent, and Melisand.