dorso-

• dorsi-
• dors-

Combining form of Latin dorsum (“back”). By surface analysis, dors- +‎ -o-.

dorso-

1. (anatomy, biology, medicine) The back.

   Synonym: dorsal

• antero-, anterio-
• postero-, posterio- (same direction in bipeds)
• ventri- (the opposite direction)

• rachi-, spino- (spine)

• Ordos, Roods, Sodor, doors, odors, ordos, roods, soord