Where does “nứt đố đổ vách” come from?

nứt đố đổ vách (Vietnamese) comes from Vietnamese đỏ, from French dose, from Latin dosis, from Ancient Greek δόσις, from Ancient Greek δίδωμι, from Proto-Indo-European dédeh₃ti, from Proto-Indo-European deh₃- — to give.

Ancestry of “nứt đố đổ vách”, step by step

nứt đố đổ vách traces back through 3 separate lines of ancestry.

via Vietnamese đỏ

Step	Language	Word	Meaning
1	Vietnamese	đỏ	red; burning; flaring up; lucky; fortunate
2	French	dose	proportion; dose; first-person singular present...
3	Latin	dosis	dose
4	Ancient Greek	δόσις	giving, a gift; license, permission; portion
5	Ancient Greek	δίδωμι	I give, present, offer; I grant, allow, permit;...
6	Proto-Indo-European	dédeh₃ti	to be giving
7	Proto-Indo-European	deh₃-	to give

via Vietnamese nứt

Step	Language	Word	Meaning
1	Vietnamese	nứt	to crack open, to split open

via Vietnamese vách

Step	Language	Word	Meaning
1	Vietnamese	vách	wall

Every word from Proto-Indo-European deh₃- →Every word from Proto-Indo-European dédeh₃ti →Every word from Ancient Greek δίδωμι →