The spelling of the word "WALISCUS" is derived from the Latin word "Walliscus," which means "Welsh." The first two letters "WA" represent the Welsh origin, and the next five letters "LISCUS" denote the Latin suffix for people from a particular region. The IPA phonetic transcription of "WALISCUS" would be /ˈwɑːlɪskʌs/, which describes the pronunciation of each letter or combination of letters. Overall, the spelling of "WALISCUS" accurately reflects its Welsh and Latin origins and is pronounced accordingly.