ζῷον
zôion
“living creature, animal”
7 words in English grow from this root.
Metazoan
Natureμετάmetá
“after-animal”
Protozoan
Natureπρῶτοςprôtos
“first animal”
Spermatozoon
Medicineσπέρμαspérma
“seed animal”
Zoo
Natureζῷονzôion
“of living creatures”
Zoology
Natureζῷονzôion
“study of living things”
Zoonosis
Medicineζῷονzôion
“animal disease”
Zooplankton
Natureζῷονzôion
“drifting animals”