tri·en·ni·um 
(trī-ĕnē-əm)
(trī-ĕnē-əm)n. pl. tri·en·ni·ums or tri·en·ni·a (-ĕnē-ə)
A period of three years.
[Latin : tri-, tri- + annus, year; see at- in the Appendix of Indo-European roots.]
- circumfuse
- circumfusion
- circumjacent
- circumlocution
- circumlocutorily
- circumlocutory
- circumlunar
- circumnavigate
- circumnavigation
- circumnavigator
- circumpolar
- circumrotate
- circumrotation
- circumrotatory
- circumscissile
- circumscribable
- circumscribe
- circumscription
- stole
- stole
- stolen
- stolid
- stolidity
- stolidly
- stolidness