English
lobation
From lobe + -ation.
A compound of lobe + -ation
Ancient Greek λοβός ‘the lobe of the ear or of the liver, the pod…’
New Latin lobus ‘a lobe’
Middle French lobe
English lobe
Today it means
noun The quality of having lobes.
Language periods are conventional ranges, not dates for this word.
Etymograph / lobation