English

maindeck

From main + deck.

Formed from main + deck

Middle English mayn

English main

Proto-Germanic *þakjaną

…

Old Dutch thecken ‘to cover’

Middle Dutch decken ‘to roof’

Middle Dutch dec ‘roof’

Middle English dekke

English deck

Today it means

noun The principal deck of a ship or vessel

Language periods are conventional ranges, not dates for this word.

Etymograph / maindeck