English

longdog

From long + dog.

A compound of long + dog

Proto-Indo-European *dlongʰos ‘long’

Proto-Germanic *langaz ‘long’

Proto-West Germanic *lang ‘long’

Old English lang ‘long, tall, lasting’

Middle English long

English long

Old English docga ‘dog’

Middle English dogge ‘an ordinary dog’

English dog

Today it means

noun A type of crossbreed greyhound

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