Words

Akkadian
patānu - to consume, eat a meal (CAD P 271, AHw. 847)
Derived words: naptanu ‘food allotment, meal, banquet; time of the evening meal, evening’ (CAD N₁ 319, AHw. 741); patnu ‘meal, repast(?)’ (CAD P 278); putannatu (putunnatu) ‘food provisions(?)’ (CAD P 546); pitennu (a ritual meal) (CAD P 434).
No etymology can be suggested.
Akkadian
patarru - (a weapon) (CAD P 275, AHw. 848)
Or pattaru. No definitive etymology can be suggested. Perhaps a lexicalized by-form of patru ‘sword, dagger’.
Akkadian
pātiḫu - opener (CAD P 276)
Most probably, a WS form of the active participle from *ptḥ ‘to open’.
Akkadian
patīḫu - bag, sack (CAD P 276, AHw. 848)
No etymology can be suggested.
Akkadian
patinnu - (an article of clothing, perhaps a sash or headdress) (CAD P 276, AHw. 848)
Var. patīnu, patannu. No etymology can be suggested.
Akkadian
patīru - sack, a leather bag for holding wool (CAD P 277, AHw. 848)
No etymology can be suggested.
Akkadian
patnanu - (mng. unkn.) (CAD P 278)
Perhaps a noun or adjective with the suffix -ān derived from patnu ‘strong’.
Akkadian
patnu - (mng. unkn.) (CAD P 278)
No etymology can be suggested.
Akkadian
patnu - (a sack?) (CAD P 278, AHw. 848)
Or padnu, paṭnu. No etymology can be suggested.
Akkadian
patrānu - (a plant) (CAD P 278, AHw. 848)
With von Soden 1957-1958:394, probably to be derived from patru ‘sword, dagger’.