"Tercentenary" is a word in ENGLISH

tercentenary ENGLISH
Definition:

The three hundredth anniversary of any event; also, a
celebration of such an anniversary.

tercentenary ENGLISH
Definition:

Including, or relating to, an interval of three
hundred years.

Few words of positivity

Every word the right one and exactly where it should be. That's basically the highest compliment I can give.

Gabrielle Zevin, The Storied Life of A.J. Fikry

WORD SUGGESTIONS
Laugh your heart out.

The Counselor was talking to the campers about safety. She said 'Don't climb any trees. If you fall down and break a leg, don't come running to me!'

tricentenary ENGLISH

A period of three centuries, or three hundred years, also, the three-hundredth anniversary of any event; a tercentenary.

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