"attraction to animals involving release of sexual energy," 1899, in a translation of Krafft-Ebing, from zoo- "animal" + -philia. "[F]ormerly not implying sexual intercourse or bestiality" [OED]. The meaning "sympathy or tender care for living creatures" is in the nativized formation zoophily (1886).
zoomorphic
zoon
zoonosis
zoonotic
zoophagous
zoophilia
zoophobia
zooplankton
zoot suit
zooxanthella
zori