Ech·o 
(ĕkō)
(ĕkō)n.
Greek Mythology
Greek Mythology
A nymph whose unrequited love for Narcissus caused her to pine away until only her voice remained.
- geometric mean
- geometric pace
- geometric progression
- geometrics
- geometric series
- geometrid
- geometrize
- geometry
- geomorphic
- geomorphologic
- geomorphological
- geomorphologically
- geomorphologist
- geomorphology
- geophagism
- geophagist
- geophagy
- geophone
- geophysical
- geophysically
- geophysicist
- geophysics
- geophyte
- geopolitical
- geopolitically