Vyxal Vyxal jr, 136 bytes
ƛkzḟ:u=[n|kzȯƛkzẆḢṅ
Flags are unintentional. -5 thanks to tybocopperkettle.
ƛ # For each character
Ẇ # Split, keeping the delimeter
kz # The lowercase alphabet, backwards
Ẇ # On that character
Ḣ # Remove the first string (all letters before that character)
ṅ # Concatenate the remaining strings.
Vyxal jr, 6 bytes
ƛkzẆḢṅ
Flags are unintentional. -5 thanks to tybocopperkettle.
ƛ # For each character
Ẇ # Split, keeping the delimeter
kz # The lowercase alphabet, backwards
Ẇ # On that character
Ḣ # Remove the first string (all letters before that character)
ṅ # Concatenate the remaining strings.