MARJORAM: March girl trapped between mirrored ewes’ mates yields substance fit to perfume a gondola.
2. Place of clichéd strife changes ending after an early start. Soft as elven-rope, it is!
MUTTON: Dog lit for a chewy, monotonous troll-feast.
SALT: Endure (though shaken) it did, at the bottom of Sam’s pack!
TOAST: Isengard pudding and Denethor’s fate.
APPLES: Article signed on behalf of bad pianist yields fruit (possibly resembling Laurelin’s?)
7. Projected time – jumbled – which yields this – is four o’clock.
8. Fabled cathedral (or village?) loses consecration and is initially changed for siphonable comestibles.
RABBIT: Endless chatter! Gollum provides this.
SAGE: Wise was Sam to seek this fragrant thing.
SALT is correct.
Just to remind you, this is quite a silly password. Keep on guessing the clues, and let the password reveal itself, perhaps? I'm not saying don't try and guess it. Just don't expect it to be a sensible answer.
Just to be fair, clue 2 refers to a stock phrase which AFAIK is only used in the UK and with a northern accent. A phrase born in industrial times, which remains in the language as a sort of metaphorical saying.