ETYMOLOGY
from Greek ἔργον (work) + -phobia
EXAMPLE
“… to which might be added ergophobia, or mobid shrinking from active effort of every sort, etc. But these expressions add very little to definiteness of description. …”
From: Essentials of the Principles and Practice of Medicine
A Handbook for Students and Practitioners
By Henry Hartshorne, 1881
Part I, Principles of Medicine. Section I. General Pathology
Neuro-Pathology
Lexicophilia 