Q. [ø]

Q. [ø]
A notation indicating a vanished sound, used only in phonetic rules.

References ✧ PE17/153; PE18/105; PE19/70, 80, 82, 92-93, 96-98; PM/357; VT39/17; VT48/26; WJ/367

Phonetic Development

Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening īm < iŋm ✧ PE19/96 (iŋ > ī̜; before n, m)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening ūm < uŋm ✧ PE19/96 (uŋ > ų̄; before n, m)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening ēm < eŋm ✧ PE19/97 (eŋ + m > ę̄)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening ām < aŋm ✧ PE19/97 (aŋ + m > ą̄)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening ōm < oŋm ✧ PE19/97 (oŋ + m > ǭ)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening īn < iŋn ✧ PE19/98 (iñn > iʒn‽ > ín)
Q. [ŋ] vanished between [i], [u] and [n] with compensatory lengthening ūn < uŋn ✧ PE19/98 (uñn > uʒn‽ > ún)
Q. [wo] became [o] o- < wo- ✧ PM/357 (w > ø; before o]); WJ/367 (w- > [ø]; before ō)
Q. [ɣ] from [g] vanished ø < ɣ ✧ PE17/153 (ʒ > nil); PE18/105 (ʒ > [ø]); PE18/105 (g > [ø]); PE19/70 (ʒ > ’)
Q. [d] vanished between [n], [r], [l] and [j] rj < rdj ✧ PE19/82 (rđy > ry); PE19/92 (rdy > ry); PE19/93 (rdy > ry)
Q. [d] vanished between [n], [r], [l] and [j] lj < ldj ✧ PE19/82 (lđy > ly); PE19/92 (ldy > ly)
Q. [d] vanished between [n], [r], [l] and [j] nj < ndj ✧ PE19/92 (ndy > nny > ny)

ᴹQ. [ø]

References ✧ PE19/38, 50-51

Phonetic Development

ᴹQ. [ɣ] from [g] vanished ø < ɣ ✧ PE19/38 (gy > y); PE19/38 (ʒ > ø; initial); PE19/51 (ʒy > y); PE19/51 (lgw > lw); PE19/51 (rgw > rw)
ᴹAQ. voiced stops became spirants except after nasals and liquids ɣ < g ✧ PE19/38 (g > ø)
ᴹQ. [d] vanished between [n], [r], [l] and [j] nj < ndj ✧ PE19/50 (ndy > ny; later)
ᴹQ. [d] vanished between [n], [r], [l] and [j] lj < ldj ✧ PE19/51 (ldy > ly; later); PE19/51 (ldy > ly; later)
ᴹQ. [d] vanished between [n], [r], [l] and [j] rj < rdj ✧ PE19/51 (rdy > ry; later from)
ᴹAQ. initial [ŋ] vanished øV- < ŋV- ✧ PE19/38 (ñ > ø; initial)

ᴱQ. [ø]

References ✧ PE12/16-18, 20, 24

Phonetic Development

ᴱQ. [β] vanished before [u] øu < βu ✧ PE12/20 (ƀ > w > ø; vanished before ū̆); PE12/24 (ƀū̆ > ū̆)
ᴱQ. between vowels and consonants [ɣ] vanished with compensatory lengthening V̄øC < VɣC ✧ PE12/18 (ʒ > ø)
ᴱQ. final [ɣ] vanished with compensatory lengthening -V̄ø < -Vɣ ✧ PE12/20 (ʒ > -)
ᴱQ. [ɣ] otherwise vanished ø < ɣ ✧ PE12/16 (ɣ > -; medial); PE12/17 (h > ø); PE12/18 (ɣ > ø)