Feller
来自Big Physics
wiktionary
fell + -er
Variant of fellow that reflects the reduction of the last vowel to a schwa and its conflation with the endings -er/ -ar. [1]
fell + -er
etymonline
feller (n.)
"one who fells (trees, etc.)," c. 1400, agent noun from fell (v.1). For the casual pronunciation of "fellow," see fella.