Greek klimax , ladder. First appeared in English in the 17 th century:
4. A peak of intensity.
5. Medically, the high point of a fever or peak intensity of a disease.
(1) Barbara Whiteman (Bette Midler) to Jerry Baskin (Nick Nolte) in Down and Out in Beverly Hills (1986): ' Dave lost interest in me and I lost interest in sex. I went shopping for gratification. That's like sex without a climax.'
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climb the ladder of success
climb trees to get away from it
climbing Mount Baldy
climbing the tree