"one who fells (trees, etc.)," c. 1400, agent noun from fell (v.1). For the casual pronunciation of "fellow," see fella.
Entries linking to feller
fell v.1
Old English fællan (Mercian), fyllan (West Saxon) "make fall, cause to fall," also "strike down, demolish, kill," from Proto-Germanic *falljanan "strike down, cause to fall" (source also of Old Frisian falla, Old Saxon fellian, Dutch fellen, Old High German fellen, German fällen, Old Norse fella, Danish fælde), causative of *fallanan (source of Old English feallan; see fall (v.)), showing i-mutation. Related: Felled; feller; felling.
fella n.
an attempt at a phonological spelling of a casual pronunciation of fellow (n.), attested by 1864 (as fellah). Feller, along the same lines, is recorded by 1825. Earlier, Pope rhymes fellow with prunella ("Essay on Man," epistle IV).