Now that we have some substantial pronunciation, let's get started on vocabulary!
Here's some of the ideas from earlier, in both consonant root form and the other form that they were in before.
Word - ber-/B-R-S
Earth - terr-/T-R-N
Language - Terris (?)
Father - pas-/P-S-M
Mother - mer-/M-R-M or M-S-M
Son - id-/-D-H
Daughter - id-a/-D-AH
Food - su-/S-D-L
proposal:
earth - tarn
of earth / like earth / belonging to earth (?) - tarnuu
our language (nominalised form of that last one) - tarnuun