No Single Accepted Term
There is no widely accepted name for a werewolf-human hybrid, but several options exist depending on tone.
Formal Options
Lycanthrope Hybrid, Homo Lycan, and Hybridus Lycan are more scientific-sounding choices.
Informal Options
Werehuman, Lycan-Human, Half-Wolf, and Lupine Hybrid are more accessible and creative.
You can also invent your own term to fit your story or world.