The word is Triennial.
Triennial
Triennial, from Latin "triennium".
the world cup ( I think) happens every 3 years or 4 years?
An event that occurs once every three years.
In every: 3 In where: 1
The phrase "once every 3 years" can be expressed as "triennial." This term refers to an event or occurrence that happens every three years. Alternatively, you could also say "every three years" for clarity.
The adjective is quadrennial. (extension of 1-annual, 2-biennial, 3-triennial) (The archaic word for a five-year period is a lustrum.)
Quarter. At every Quarter of the financial year (every 3 months).
Every 2 years
I think they take place every 3 years..... I'm not sure, srry
every 3 years
Green turtles - 6 clutches of 115 eggs every 4-6 years Loggerhead turtles 4 clutches of 120 eggs every 3-5 years Leatherback turtles - up to 10 clutches of 100 eggs every 3-5 years Olive ridley & Kemps ridley 2-3 clutches of ~90 eggs every 2 years Hawksbill turtles 4 clutches of 120 eggs ever 3-5 years Flatback turtles 3 clutches of 50 eggs every 1 to 2 years