bis·tro (bēstrō, bĭstrō)
n. pl. bis·tros
1. A small, informal restaurant serving wine.
2. A small bar, tavern, or nightclub.
[French, from 19th-century French slang bistro, bistrot, tavern owner, small bar or tavern (often having a space for dancing), possibly alteration (influenced by 19th-century French slang mastro, shortening of mastroquet, tavern owner, probably from Dutch meesterke, diminuitive of meester, master, boss, brewmaster) of 19th-century French slang bistringue, a sort of popular dance, cheap bad liquor, variant of earlier French bastringue, music for the quadrille, of unknown origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.