What is the meaning of -lə?

Suffix appended to nouns to derive verbs with various meanings.

2. Used to derive verbs encoding the tool or means of the implementation of an action.

   Used to derive verbs encoding the tool or means of the implementation of an action.

   Used to derive verbs encoding a process.

   Used to derive verbs encoding result of a process.

   Used to derive verbs encoding the object of an action, mostly grabbing.

   Used to derive verbs encoding the aktionsart of an action.

   Used to derive verbs encoding the direction or location of an action.

   Used to derive verbs encoding the time of an action.

   commitative suffix

   Forms instrumental case

   After third person possessive suffix, it takes the form -ñlə, -ñla.

   Source: wiktionary.org