What are in English prepositions in Na'vi are adpositions. These words may come either before or after the word they go with. When they follow they are enclitic, that is, they lose their own accent and are written attached to the word they go with (either mì na'rìng or na'rìngmì). A few of the adpositions will cause lenition in the following word when then precede but not when enclitic. So, ro helku but kelkuro.
äo below eo before, in front of (place) fa with (by means of) fkip up among fpi len. for (the benefit or sake of) ftu from (direction) hu with (accompaniment) io above ìlä len. (also: ìlä) by, via, following ka across kip among kxamlä through (via the middle of) lok close to maw after (time) mì len. in mìkam between mungwrr except na like, as ne to (direction) nemfa into pxaw around pxel like, as ro len. at (locative only) sìn on sre len. before (time) ta from (various uses) takip from among teri about, concerning uo behind vay up to luke without tafkip from up among wä len. against (as in: fight against)