The phrase "hath jump on" might be confusing to spell, but it is actually quite simple when broken down phonetically using the International Phonetic Alphabet (IPA). "Hath" is pronounced as /hæθ/, with the "th" sound being represented by the symbol θ in IPA. "Jump" is pronounced as /dʒʌmp/, with the "j" sound being represented by the symbol dʒ in IPA. And finally, "on" is pronounced as /ɒn/, with the "o" sound being represented by the symbol ɒ in IPA. So, the correct spelling of "hath jump on" would be "hath jump on."