-trope

1.
a combining form meaning “one turned toward” that specified by the initial element (heliotrope); also occurring in concrete nouns that correspond to abstract nouns ending in -tropy, or -tropism:
allotrope.
Origin
< Greek -tropos; see trope, tropo-
British Dictionary definitions for -trope

-trope

combining form
1.
indicating a turning towards, development in the direction of, or affinity to: heliotrope
Word Origin
from Greek tropos a turn
Word Origin and History for -trope

word-forming element meaning "that which turns," from Greek tropos (see trope).