Zooerasty is a rare word used to describe sexual activities between humans and animals. The spelling of the word can be explained using the International Phonetic Alphabet (IPA) as /zuːˈɛrəsti/. The initial "zoo" sound is spelled using the letter 'z' and the two 'o's represent the /uː/ sound. The /ɛ/ sound is spelled using the letter 'e' while the 'r' is used to represent the /r/ sound. The ending is pronounced /sti/ and is spelled using the letters 'a', 's', and 't'.
The word "zooerasty" is derived from the combination of two Greek roots: "zooion" meaning "animal" or "living being", and "erastis", which means "lover". Thus, "zooerasty" is a term coined to describe a sexual attraction or desire involving animals. It is important to note that engaging in any form of sexual activity with animals is illegal in most countries and widely considered ethically and morally wrong.