English

flagboat

From flag + boat.

A compound of flag + boat

Middle English flag

English flag

Proto-Indo-European *bʰeyd- ‘to break’

…

Proto-Germanic *baitaz ‘boat’

Proto-West Germanic *bait ‘boat’

Old English bāt

Middle English bot

English boat

Today it means

noun A flagship.

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

Etymograph / flagboat