Underbear, 1) to guard, to face, to trim: “skirts round underborne with a bluish tinsel,” Ado III, 4, 21.*
2) to bear, to endure: “leave those woes alone which I alone am bound to u.” John III, 1, 65. “with the craft of smiles and patient --ing of his fortune,” R2 I, 4, 29.