The spelling of the word "thirst enema" is based on the International Phonetic Alphabet (IPA). The first syllable "thirst" is spelled as /θɜːst/, which indicates the sound of "th" followed by the vowel sound "er". The second syllable, "enema", is spelled as /ˈɛnɪmə/, which represents the short vowel sound "e" followed by the consonants "n" and "m". Together, the word is pronounced as /θɜːst ˈɛnɪmə/, which refers to a fluid administered into the rectum to hydrate a person who is severely dehydrated.
Analeptic e.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.