What is the meaning of ɬ-?

One of four "classifier" valency prefixes mandatory on all Lower Tanana verbs. The ɬ-classifier has the following uses:

1. Appears in many transitive verbs
2. Forms causative verbs
3. Appears thematicized in some intransitive verbs
4. With de- and gh-, forms comparatives of dimensional verbs.

Appears in many transitive verbs

Forms causative verbs

Appears thematicized in some intransitive verbs

With de- and gh-, forms comparatives of dimensional verbs.

Source: wiktionary.org