τροπή
tropḗ
“a turning”
8 words in English grow from this root.
Entropy
Scienceἐνen
“a turning within”
Geotropism
Natureγῆgê
“turning by the earth”
Heliotrope
Natureἥλιοςhḗlios
“sun turner”
Phototropism
Natureφῶς, φωτόςphôs, phōtós
“turning by light”
Tropic
Earthτροπήtropḗ
“of the turning”
Tropical
Earthτροπήtropḗ
“of the turning”
Tropism
Natureτροπήtropḗ
“a turning”
Troposphere
Earthτροπήtropḗ
“turning sphere”