there's a derivative suffix meaning "having X", which is also used with language names (which are derived using another derivative suffix) with the meaning "speaking X"

Ôdallintor.
ô:dallintor
ô:-dan-[ninda:]lin-tor
1-language-ninda:lin-having
I speak Nindalin

Ôn cator sādallintor.
ô:n kator sa:dallintor
1SG father.NOM.SG 3-language-ninda:lin-having
My father speaks Nindalin

Ôn quanan.
(ô:n) kʷanan
kʷan-an
1SG speak-1SG.PRS.PUNC
I utter (a short sentence).

Ôn niquandṑ beron.
(ô:n) nikʷandò: beron
ni-kʷan-dò: ber-on
SIMUL-speak-SIMUL cry-PST
I cried while talking.

Sā ôda doṙbersô.
sa: ô:da doṟbersô:
sa: ô:da do-ṟ-ber-sô:
3SG 1SG.ACC 1.OBJ-CAUS-CRY-1.OBJ.PST
He made me cry.