τρι-
tri-
“three”
8 words in English grow from this root.
Triathlon
Sportτρι-tri-
“three contests”
Triceratops
Natureτρι-tri-
“three-horned face”
Triclinium
Everydayτρι-tri-
“three couches”
Trilemma
Philosophyτρι-tri-
“three things taken”
Trilobite
Natureτρι-tri-
“three-lobed one”
Trilogy
Artτρι-tri-
“three tellings”
Triode
Scienceτρι-tri-
“three ways”
Tripod
Scienceτρι-tri-
“three-footed”