In Bond, female bodyguard almost given licence to kill pandas like this? (6)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

“Bambi”(the female bodyguard character in the James Bond film, Diamonds Are Forever) minus its last letter ( almost ) plus ( given ) OO(or 00/Double O, signifying, in the James Bond novels, an MI6 agent with a licence to kill). Defn: …, viz. the giant grass that together with its shoots is the main component of pandas’ diet.