/ˈkrabo/
OriginFrom Polish krab, Russian краб (krab), German Krabbe, English crab and French crabe, of Germanic origin ultimately from Proto-Germanic *krabbô, an agent noun formation from *krabbōną (“to scratch”), itself from Proto-Indo-European *gerbʰ- (“to scratch, crawl”).
Formskrabon(accusative, singular) · kraboj(plural) · krabojn(accusative, plural)
Source: Wiktionary