English
manurial
From manure + -ial.
Formed from manure + -ial
Vulgar Latin *manuoperare ‘work by hand’
Anglo-Norman meinourer
Middle English maynouren ‘to supervise, toil’
English manure
Today it means
adj Of or pertaining to manure.
Language periods are conventional ranges, not dates for this word.
Etymograph / manurial