sexologist

The term 'sexologist' is a modern scientific formation, constructed in the late 19th to early 20th century as the field of sexology emerged. It directly combines the Latin-derived root 'sex,' referring to the biological and social distinctions between males and females, with the Greek-derived suffix '-logist,' denoting a specialist. The connecting 'o' is a common linguistic glue in Greco-Latin scientific terminology. Thus, the word's literal construction as "one who studies sex" transparently reflects its modern professional meaning as an expert in the scientific study of human sexuality.

Structure: sex (sexual) + o (connecting vowel) + logist (one who studies) - sex: From Latin sexus (state of being male or female, gender). In this compound, it denotes the subject matter of sexuality. - o: A connecting vowel, typically of Greek origin, used to join word elements. - logist: From Greek -logistēs, from logos (word, reason, study) + agent suffix -istēs (one who practices). Denotes a specialist in a particular field of study.