What is the meaning of Paeninsula?

peninsula

Famous Firsts in the Ancient Greek and Roman World by David Matz (2000; McFarland; →ISBN, 9780786405992), page 121
Livy was the first Roman author to combine the words paene (almost) and insula (island) into one: paeninsula. He used the word in the course of his description of the location of New Carthage, on the Spanish coast (26.42).

Source: wiktionary.org