(...) maybe some guy at TLG are portuguese. DUPLO means "double" QUATRO means "four (4)" but PRIMO means "cousin" :) i think PRIMO means "first" in italian LBaixinho (21 years ago, 3-Feb-04, to lugnet.general, lugnet.duplo)
(...) I thought the use of those prefixes goes waaayyy back to earlier times...like maybe latin? The main source of most of the romance languages? DU --- double/two QUAT - Four primo--perhaps coming from "prime" meaning "first"?? (or some (...) (21 years ago, 5-Feb-04, to lugnet.general, lugnet.duplo)