Where does “springplank” come from?

springplank (Dutch) comes from Dutch plank, from Middle Dutch planke, from Old Dutch *planka, from Old Northern French planke, from Late Latin planca, from Latin plancus, from Proto-Indo-European pleh₂- — flat.

springplank (Dutch): springboard; something that serves as a medium...

Definitions

springboard; something that serves as a medium...

Ancestry of “springplank”, step by step

springplank traces back through two separate lines of ancestry.

via Dutch plank

Step	Language	Word	Meaning
1	Dutch	plank	shelf; plank
2	Middle Dutch	planke	—
3	Old Dutch	*planka	—
4	Old Northern French	planke	—
5	Late Latin	planca	—
6	Latin	plancus	flat-footed; Alternative form of plangus
7	Proto-Indo-European	pleh₂-	flat

via Dutch springen

Step	Language	Word	Meaning
1	Dutch	springen	to jump, to leap; to explode, to shatter
2	Middle Dutch	springen	to jump, to spring; to jump around, to dance; to...
3	Old Dutch	springan	to jump, spring
4	Proto-Germanic	springaną	to spring, to jump up; to burst, to explode
5	Proto-Indo-European	spr̥ǵʰ	—

Every word from Proto-Indo-European pleh₂- →Every word from Latin plancus →Every word from Late Latin planca →