Dutch word graftak comes from Dutch graf (Grave (slang) very.), Dutch tak (Branch.)

Detailed word origin of graftak

Dictionary entry	Language	Definition
graf	Dutch (nld)	Grave (slang) very.
tak	Dutch (nld)	Branch.
graftak	Dutch (nld)	(colloquial, somewhat coarse) bouquet, flower or plant on a grave. (derogatory) dull, boring person. (pejorative) nasty or ugly person (in particular an older one).