Tri- one more time? (5)
I believe the answer is:
tetra
(Other definitions for tetra that I've seen before include "Small bright fish" , "With four parts" , "rarely seen flower" , "Swimmer" , "Small brightly-coloured fish of aquariums" .)
I believe the answer is:
tetra
(Other definitions for tetra that I've seen before include "Small bright fish" , "With four parts" , "rarely seen flower" , "Swimmer" , "Small brightly-coloured fish of aquariums" .)