garniture
Something that garnishes; a decoration, adornment or embellishment
The Countess came forward to meet them, looking more beautiful than ever. But it was not now that Emily envied her beauty;—no philosopher like a girl in love, to feel, for the time being, utter indifference to all possible pomp and garniture.
A matching array of plate armour and its accessories
Where it comes from
From Middle English garnetture, from Anglo-Norman garniture, gerneiture, from Old French garneture (“accessory for a saddle”), from Old French garnir, guarnir, from Frankish *warnijan (“to prevent, deny”).
Adapted from the Wiktionary entry garniture (CC BY-SA 4.0).