The Nilgiri (Kota-Toda) database, subordinate to the South Dravidian database
(which in its turn is subordinate to the Common Dravidian database).

    Database structure.
    1. Protoform. The Proto-Kota-Toda reconstruction.
    2. Meaning. The reconstructed meaning.
    3-4. Languages: Kota, Toda.
    5. Derivatives.
    6. Comments.
    7. DED number.
    8. South Dravidian etymology. Link to the upper level South Dravidian
database.

Select correspondences (work in progress).

Proto-Nilgiri	Kota	Toda
*a	a	o, a
*ā	ā	ō
*ā [2nd syl.]	ā	ɨ
*-ĭ	-y	-y
*ī	ī	ɨ
*ē	ē	ē
*ai	a	ü
*p	p	p
*v	v	-f-
*m	m	m
*d	d	ɵ
*n	n	n
*ḍ	ṛ	ṛ
*ḍḍ	ḍ	ḍ
*ṇ	ṇ	ṇ
*ṛ	g, ṛ, ḷ	ṛ, ḍ, 0
*ḷ	ḷ	ḷ, ɫ̣
*t̯	t̯, t	t̯
*r̯	r	r̯
*s	c	s
*k	k	k
*g	g	x
*r	r	r
*l	l	l, s_
*mb	mb, b	b
*nt	nt	t
*nḍ	nḍ	ḍ
*nd̯	nd̯	d̯
*nǯ	nj	j
*nʒ	nj	ʒ
*ŋ(g)	ŋg	g
*rk	k	rk
*ŕk	k	šk
*lg	lg	g
*ṛk	k	k
*-äv-	-v-	-f-
*-äd-	-d-
*-ät-	-t-	-t-
*-ǝg-	-g-	-x-
*-ǝk-	-k-	-k-
*-ǝv-	-v-	-f-
*-ǝt-	-t-	-t-
*-ǐd-	-c-	-s-
*-ǐt-	-c-	-c-

Comments.
PN *a > Toda a before -ä- in the 2nd syl.; before *-r-, *-ŕ-, *-l-, *-r_-; before -ṛ- < *-ṛ-.
PN *t_ > Kota t after long vowels in trans. verbal bases??
PN *l > Toda -s_ (auslaut), -l- (inlaut).
PN *ḷ > Toda -ɫ̣- before *-V-v- (in verbal stems).
PN *mb > Kota b in the *-C-V-mb- context.

Reflexation of PN *-ṛ-:
*-ṛk- > Kota, Toda -k-.
*-V-ṛ-i- > Kota -ḷc-, Toda -ḍy-.
*-a-ṛ-ǝ- > Toda ā (a in a few cases).