beeswing

/ˈbiːzwɪŋ/

Etymology

From bee + -s- + wing.

beeswing means A filmy, translucent crust found in port and other old wines which have been bottled-aged for a long time. Lexicurio rates it Sui generis — a strength score of 90 out of 100.

Why this word is great

BEESWING — [Noun] A delicate, translucent crust of tartrate crystals that forms in some aged wines, especially vintage port. From the compounding of 'bee' (the insect) and 'wing', likely referring to the delicate, filmy appearance of the substance. Unlike coarse "sediment" (which settles as a dense, granular deposit) or the thick, yeasty "lees" of fermentation, beeswing is a specific, aerial precipitate—a sign of patient maturity. It is the faint, crystalline bloom on the interior of a venerable bottle; the ghost of a veil caught in the tawny depths when tilted toward the light; the fragile, mineral signature of time's quiet work. We save our finest vintages not to drink clarity, but to witness this beautiful evidence of a slow, graceful surrender.

noun

A filmy, translucent crust found in port and other old wines which have been bottled-aged for a long time.“The three glasses were grouped together, all of them tinged with wine, and one of them containing some dregs of beeswing.”
Cream of tartar; potassium bitartrate; the residual salt of tartaric acid.