burl
UK[bɜːl]US[bɜːrl]
n
a small knot or lump in wool, thread, or cloth.
n
a large rounded outgrowth on the trunk or a branch of a tree, sliced to produce a decorative patterned wood.
Etymology
the word 'burl' entered english in the 15th century from middle english, borrowed from the old french 'bourle'. its ultimate ancestor is likely the late latin word 'burra', meaning a coarse, shaggy woolen cloth, which also gave rise to the english word 'burr'. the semantic connection is clear: both 'burr' and 'burl' refer to something rough, tangled, or knotty. over time, 'burl' specialized to denote a specific type of knot in fabric or a distinctive growth on a tree, which, when cut, reveals a beautifully tangled grain pattern, echoing the original sense of a tangled mass.
Analysis
this word is a simplex. it is a loanword from old french 'bourle', meaning a knot or a flock of wool, which itself is of uncertain origin, possibly from vulgar latin burrula, a diminutive of late latin burra, meaning 'wool, shaggy cloth'.
Examples
the weaver carefully removed the burl from the wool before spinning it into yarn.
the prized coffee table was made from a single slab of walnut burl.
a large burl on the old oak tree provided a home for various insects and fungi.