English
annulotomy
From annulus + -otomy.
Formed from annulus + -otomy
Latin ānus ‘ring’
Latin ānulus ‘ring, especially one worn on a finger’
Medieval Latin ānnulus
English annulus
Today it means
noun An incision between intervertebral discs to allow decompression
Language periods are conventional ranges, not dates for this word.
Etymograph / annulotomy