“fest-toon” | /fɛsˈtuːn/
n – An ornament such as a garland or chain which hangs loosely from two tacked spots.
“The woman covered her walls in festoons and ornaments for the holiday.”
v – To decorate with ornaments, such as garlands or chains, which hang loosely from two tacked spots.
“The child watched as their parents festooned the hall with bright, neon colors.”
From Late Latin fēsta, from the plural of Latin fēstus (“festive”) + one.