Where does “loopplank” come from?

loopplank (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.

loopplank (Dutch): gangplank

Definitions

gangplank

Ancestry of “loopplank”, step by step

loopplank 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 loop

Step	Language	Word	Meaning
1	Dutch	loop	course, duration; a river course; course of a...
2	Middle Dutch	lôop	—
3	Old Dutch	lōp	—

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