Half Finished
Half Assed
noun, な adjective, の adjective
ちゅうとはんぱ
途中 （とちゅう） On The Way, En Route, In The Middle Of, Half Done
中途半端 （ちゅうとはんぱ） Half Finished, Half Assed
端 （はし） Edge, End, Corner
The reading for 端 in Half Assed 中途半端 is Half Assed. It's just the first character of はし, which is then further rendaku'd to ぱ