gonfalon
A standard or ensign, consisting of a pole with a crosspiece from which a banner is suspended, especially as used in church processions, but also for civic and military display.
Standards, and Gonfalons twixt Van and Reare Streame in the Aire, and for distinction serve
Ten thousand thousand Ensignes high advanc'd,
Where it comes from
From Middle English gonfalon, from Old French gonfalon, from Frankish *gunþifanō, from Proto-Germanic *gunþifanô.
Adapted from the Wiktionary entry gonfalon (CC BY-SA 4.0).