The spelling of the word "Repkie" can be explained through IPA phonetic transcription. "Repkie" is pronounced as /ˈrɛpki/. The first sound, /r/, is a voiced alveolar trill. The second sound, /ɛ/, is an open-mid front unrounded vowel. The third sound, /p/, is a voiceless bilabial plosive. The fourth sound, /k/, is a voiceless velar plosive. Finally, the last sound, /i/, is a close front unrounded vowel. The spelling of "Repkie" follows English phonological rules and creates a unique word that can be easily pronounced.
There doesn't appear to be any widely recognized or documented etymology for the word "Repkie". It is possible that this term is a proper noun or a relatively uncommon term with limited usage, making it difficult to determine its origin. If "Repkie" has a specific context or background, providing more details might help in understanding its etymology.