johannes

noun

1. (historical)A former Portuguese gold coin.
2. An old Portuguese gold coin bearing a figure of John V of Portugal, in circulation 1722–1835.

   “1803, John Browne Cutting, “A Succinct History of Jamaica” in Robert Charles Dallas, The History of the Maroons, London: Longman and Rees, Volume 1, p. lxviii, The current coins of Jamaica are Portugal pieces of gold, called the half johannes, valued at about 55s. currency each […]”

name

1. A male given name from Late Latin Iōhannēs [in turn from Koine Greek Ἰωάννης (Iōánnēs), in turn from Biblical Hebrew יוֹחָנָן (Yôḥānān, “God is gracious”)], variant of John or Jon.