Well, yes, the precedent would be call/kw.  I have a pre-pre-SRFI for a currying lambda which the author called lambda*; I'd be happy to call it lambda/curry.  Lambda/opt would also work for me.

On Fri, Nov 1, 2019 at 4:59 PM Lassi Kortela <xxxxxx@lassi.io> wrote:
> Of that list I favor call/kw

call/kw is now preferred/acceptable to at least 4 people so it's the
current leader :D

> and lambda/kw

Is there a precedent for names of that form?

Both lambda/kw and kw-lambda are fine by me.