The word "Greekess" is spelled with the letter "e" before "ess" to indicate the feminine form of the adjective "Greek". The IPA phonetic transcription for this word is ɡriːkəs, with the stress on the first syllable. The final "ess" sound is pronounced as a soft "s" sound, rather than a hard "z" sound, due to the lack of a voiced consonant before it. This spelling convention is commonly used in English to create feminine forms of adjectives.
The word "Greekess" does not have an established etymology as it is not a commonly used word in English. It is not found in dictionaries or recognized as a standard term. However, based on the structure of the word, it may be assumed that "Greekess" is derived from the word "Greek", denoting something or someone related to Greece or Greek culture.