Ради се о знаку који се у старини користио за означавање цитата (као данашњи наводници), Енглези га зову Diple, ево шта пише на Вики, то сам прво нашао:
Diple (meaning double, referring to the two lines in the mark >) was used in margins to draw attention to something in text. It is sometimes also called antilambda because the sign resembles a Greek capital letter lambda (Λ) turned upon its side. In some ways its usage was similar to modern day quotation marks and the so called French quotation marks (») are derived from it.
Isidore remarks in his Etymologiae (I.XXI.13) [1] that diple was used to mark the quotations from Bible. ...
http://en.wikipedia .org/wiki/Diple_(textual_symbol)Како се овај знак зове на српском?