The story
From crab + -le (frequentative suffix). Piecewise doublet of crawl, formed in the same way in Proto-Germanic times. Compare also Saterland Frisian krabbelje, Dutch krabbelen, German krabbeln.
Etymology from Wiktionary, CC BY-SA 4.0.
crabble
Today it means: To creep, crawl, or clamber, like a crab Full definition →