primero
A card game resembling poker, dating back at least to the 16th century.
uncountable
[Thomas] Lou[ell]. Came you from the King, my Lord? / [Stephen] Gar[diner]. I did Sir Thomas; and left him at Primero / With the Duke of Suffolke.
Where it comes from
Borrowed from Spanish primera, feminine form of primero (“first”), from Latin prīmārius. See premier.
Adapted from the Wiktionary entry primero (CC BY-SA 4.0).