zingho

Chelsea, to get some tea-seed from the physic-garden; and he promised me to go to Lord Islay, to know what cobolt and zingho (831) are, and where they are to be got.

The Letters of Horace Walpole, Earl of Orford — Volume 1 Horace Walpole 1757

For cobolt and zingho, your brother and I have made all inquiries, but almost in vain, except that one person has told him that there Is some such thing in Lancashire; I have written thither to inquire.

The Letters of Horace Walpole, Earl of Orford — Volume 1 Horace Walpole 1757