出典:Wiktionary
From Middle English slitheren, alteration of slideren (“to slither, creep”), from 古期英語 slidrian (“to slip, slide, slither”), from Proto-West Germanic *slidrōn (“to slide, slither”), from Proto-Indo-European *sleydʰ- (“to slip”), equivalent to slide + -er (frequentative suffix). Cognate with Dutch slidderen (“to slip, wriggle, slither”), German schlittern (“to slither, skid”). More at slide.
slither (三人称単数 現在形 slithers, 現在分詞 slithering, 過去形および過去分詞形 slithered)
The use of slither to mean sliver, which is prevalent especially in Britain (where th-fronting is becoming more かつ more prevalent), is considered by many to be an error, though at least one major dictionary merely labels it "informal" [1].
burls
to disturb something
tread over
to distort the meaning of something
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