Where does “shipboard” come from?

Shipboard comes from English ship combined with English board, meaning a plank or flat surface used in construction or as part of a ship's structure.

shipboard (English): Occurring or existing on board a ship; casual or...

Definitions

Step	Language	Word	Meaning
1	Middle English	schip bord	—
2	Middle English	schip	ship
3	Old English	sċip	ship
4	Proto-West Germanic	skip	ship
5	Proto-Germanic	skipą	ship; hollow object
6	Proto-Indo-European	sḱēy-	to shine; to shimmer; shadow; luster, gloss,...
7	Proto-Germanic	skaidą	separation, distinction
8	Proto-Indo-European	skÁit-	to cut, part, spearate, divide; to cut, part,...

shipboard — Etymology, Origin & Word History | Etymology Explorer