Pana is a word from the Swahili (or KiSwahili) language.

http://research.yale.edu/cgi-bin/swahili/main.cgi?right_frame_src=http%3A//research.yale.edu/swahili/serve_pages/grammar/adjectives.php

-pana { English: broad }
adjective , - [ edit entry ] [ photos: upload ]
Swahili Example: bahari panapana
English Example: the open sea

-pana { English: flat }
adjective , - [ edit entry ] [ photos: upload ]

pana { English: it has }
verb conjugated, - [ edit entry ] [ photos: upload ]

-pana { English: level }
adjective , - [ edit entry ] [ photos: upload ]

pana { English: there is }
verb conjugated, - [ edit entry ] [ photos: upload ]

-pana { English: exchange }
verb reciprocal, - [ edit entry ] [ photos: upload ]

-pana { English: give each other something }
verb reciprocal, - [ edit entry ] [ photos: upload ]

7 distinct results returned.

A website discussing the origin of the Swahili language.
http://www.glcom.com/hassan/swahili_history.html