noun: 1. a submissive or fawning person.
2. any of several breeds of small to medium sized dogs with long drooping ears and a silky coat.
From Old French espaignol/espaigneul (Spanish dog), from Hispaniolus (Spanish), from Hispania (Spain). Earliest documented use: 1386
Usage (from Wordsmith)
“Helena: I am your spaniel. And, Demetrius,
The more you beat me, I will fawn on you.”
William Shakespeare; A Midsummer Night’s Dream; 1590s.