ProtoDec13 has a partitive paradigm built into the article prefixes, as a kind of number:

anparì/nnparì 'the coin'
janparì 'the coins'
hanparì 'some of the coin'
hjanparì 'some of the coins, some from each coin'
sanparì 'some of the coins, some coins from a group'


ḱińńiri nnparì 'the one coin'
-
ḱińńiri hanparì 'some of that one coin'
-
ḱińńiri sanparì 'one of the coins from the group'


-
nufuri janparì 'the eight coins'
-
nufuri hjanparì 'some of the eight coins'
nufuri sanparì 'eight coins from a group'


huuńairi angaltu 'the best carving'
huuńairi jangaltu 'the best carvings'
huuńairi hangaltu 'some of the best carving'
huuńairi hjangaltu 'some from each of the best carvings'
huuńairi sangaltu 'the best carving out of the group'

hiwwari arbiĺĺa 'purple hair; the part of the hair that is purple'
hiwwari jarbiĺĺa 'purple hairs; some heads of purple hair'
hiwwari harbiĺĺa 'some of some purple hair, some of a section of purple hair (on one head)'
hiwwari hjarbiĺĺa 'some of some purple hair (on each head)'
hiwwari sarbiĺĺa 'purple heads of hair (in a group with non-purple heads of hair)'

hiwwari anbiĺĺa nihipi 'my purple hair'
ĺurbùri arbiĺĺa 'a lot of hair' [much-ADJ IND-hair]
hiwwari arbiĺĺa ĺurbùm 'a lot of purple hair' [purple-ADJ IND-hair much-GEN]
etc.