Douglas G. Wilson douglas at NB.NET
Fri Jan 5 14:14:31 UTC 2001

>It seems to me that "jock" derives from "jockey strap", "jockey" being the
>trade name of a company which manufacters athletic supporters.  No date, must
>be early 20th.

I agree in part: "jock" = "athlete" < "jock" = "jockstrap" = "athletic
supporter". This transference occurred by the 1950's but I suppose it could
be older.

But "jockstrap" probably < "jock" = "penis", and "jockstrap" is old -- MW
says 1886.

"Jockey" as an underwear brand dates from 1934, I think (from a casual
glance at the USPTO database).

-- Doug Wilson

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