English
laboriousness
From laborious + -ness.
A compound of laborious + -ness
Old Latin labōs
Latin labor ‘work, exertion’
Latin laboriosus ‘laborious, toilsome, demanding’
Old French laborios
English laborious
Today it means
noun The condition of being laborious.
Language periods are conventional ranges, not dates for this word.
Etymograph / laboriousness