The phrase "already broached" is correct and usable in written English.
It can be used when referring to a topic or issue that has been introduced or discussed previously.
Example: "The subject of budget cuts has already been broached in our last meeting."
Alternatives: "previously discussed" or "already introduced".
There were also Dr. Udel's two young sons — one of whom had already broached the subject of marriage with her — to be won over.
The tribe has already broached the subject of federal legislation on an off-reservation casino with members of New York's Congressional delegation.
Some New York-based firms have already broached the unicorn mark, making the point smaller than it might seem.
This theme was already broached in On Escape and in essays on Husserl—"L'Œuvre d'Edmond Husserl" (1940); "Intentionalité et métaphysique" (1959); "Intentionalité et sensation" (1965).
A late second-century or early third-century work by Liu Shao, the Renwu zhi (translated into English as The Study of Human Abilities) has already broached the question and attempted to map out the various types of talent and the signs by which they might be identified.
Some Chinese military leaders have already broached this possibilty in response to U.S. objections to China's behavior.
In the US the existing Securities & Exchange Commission (section 31) fee on transactions means that the principle has already been broached.
Already, plans have been broached for a stage play based on the series.
Of course BT will hope to find some new customers in addition to keeping existing ones and generate other extra revenues, but it is already having to broach the idea of charging directly for access to Champions League matches.
Asked, facetiously, if that meant Keurig would at some point offer baby formula pods, Mr. Fenderson said that the subject had actually already been broached.
The matter has already been discussed and will be broached again Saturday, when Beltran arrives on the reporting date for position players.
