The story
From astheno- + zoospermia. By surface analysis, a- (“not”) + sthen- (“strength”) + -o- (“connecting vowel”) + zo- (“animal”) + -o- (“connecting vowel”) + sperm (“seed”) + -ia (“condition”).
Etymology from Wiktionary, CC BY-SA 4.0.
asthenozoospermia
Today it means: Condition in which a large proportion of spermatozoa produced in an ejaculate possess poor motility. Full definition →