τρίκυκλο

Etymology 1
from Ancient Greek &. + suffix for neuters. Also see the adjective.

Noun

 * 1) three-wheeled vehicle
 * 2) three-wheeler
 * 3) motorcycle combination, motorcycle and sidecar
 * 4)  tricycle three-wheeled bicycle
 * 5)  anything with three wheels or three cycles
 * 1)  anything with three wheels or three cycles

Etymology 2
Inflectional form.