Ernie —, South African golfer; 2002 and 2012 winner of The Open Championship (3)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
els
(Other definitions for els that I've seen before include "South African golfer" , "US urban railways" , "Ernie - - (golfer)" , "Golfer; elevated railways" , "Angular distances above the horizon" .)