Според етимилогичните речници имат общ индо-европейски произход:

1580s, from M.Du. or M.L.G. grabben "to grab," from P.Gmc. *grab (cf. O.E. græppian "to seize," O.S. garva, O.H.G. garba "sheaf," lit. "that which is gathered up together"), from PIE *ghrebh- "to seize, reach" (cf. Skt. grbhnati "seizes," O.Pers. grab- "seize" as possession or prisoner, O.C.S. grabiti "to seize, rob," Lith. grebiu "to rake"). Sense of "to get by unscrupulous methods" reinforced by grab game, a kind of swindle, attested from 1846. Related: Grabbed; grabbing.

(това O.C.S. е съкратено Old Church Slavonic, или един от термините за старобългарски)

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—Това куче защо е зелено?
—То е коркодилче.