ディプレーウ青銅 [dipraeu seidou] or 'dipraeu bronze' in Japanese.
Grimoire of the Rift

Buy: - (sell: 400 gil)
Use: Air Blade, Aqua Saber, Oblige, Partisan, Shamshir, Diamond Armor, Golden Armor, Maximillian, Minerva Bustier, Platemail, Battle Boots, Fortune Ring
Reward: Bonga Bugle - Silversun x7 (repeatable), Bonga Bugle - Greenfire (repeatable), Death March x3 (once), Open Wide (wandering monster)
Type: Metal, Rank: ★
Description: An alloy enchanted with special regenerative magicks. Small scratches in its surface mend of their own accord.
Final Fantasy Tactics S

Buy: - (sell: 200 gil)
Use: Bastard Sword, Heavy Armor
Obtain: Federation of Nazan/Gahhel Mines lv30+
Description: An uncommon metal
Category: Item