"How long has the phrase "training up" been around? And why is it deemed necessary to add "up"?"
The original environment appears to be gardening.
Training up usually means attaching a plant to an
espalier to force it to acquire a particular shape. The word up seems needed in order to distinguish
this from other forms of training, e.g. teaching
horses and riders.
Spoken English seems to display a magnetic
attraction for very small redundant words. US
State Secretary Powell said this week: "That
would be a cliff we do not want to fall off of,"
or something like that.
Don Phillipson
Carlsbad Springs (Ottawa, Canada)
dphillipson(at)trytel.com