Romance Pequeno, Pequeño, Petit, Piccolo

From: Joao
Message: 31650
Date: 2004-04-01

What are the origins of Neolatin words for small: Pequeno (Portuguese), Pequen~o (SPanish), Piccolo (Italian) and Petit (French). Is there any relation between them.
 
Antenor Nascentes' Etymological Dictionary points for Vulgar Latin *picuinus, *pittittus, *picculus, maybe from Celtic *pik-/pit-.
 
 
Joao SL