Operose
Pronunciation : Op"er*ose`. a.
Etymology : [L. operosus, fr. opera pains, labor, opus, operis, work, labor.]
Definition : Defn: Wrought with labor; requiring labor; hence, tedious; wearisome. "Operose proceeding." Burke. "A very operose calculation." De Quincey. -- Op"er*ose`ly, adv. -- Op"er*ose`ness, n.
Source : Webster's Unabridged Dictionary, 1913