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gach wrote:Also in Chukchi, though only to dissimilate two /r/s in consecutive syllables:

jara- < *ra-ra- ~ ra-
"house"

sangi39 wrote:Palatalisation of a consonant appearing before a front unrounded vowel, e.g. /i/, is obvious, but in a language with, say, /i y u/ is it possible for palatalisation to occur only before /i/ or would it occur before /y/ as well?

Tropylium wrote:

sangi39 wrote:Palatalisation of a consonant appearing before a front unrounded vowel, e.g. /i/, is obvious, but in a language with, say, /i y u/ is it possible for palatalisation to occur only before /i/ or would it occur before /y/ as well?

Yes, this is possible.

Finnic: *ti- → *tsi-, but *ty- remains.
Nganasan: Proto-Samoyedic *ki → /ʃi/, but Proto-Samoyedic *ky → /ki/.

/i  y  u  e  ø  o  æ  a / > /i  y  u  e  ø  o  æ  a / > /ji  y  u  je  ø  o  jæ  a / > /ji  i  u  je  e  o  ja  a /
/i: y: u: e: ø: o: æ: a:/ > /i: iu u: e: eo o: æa a:/ > /ji: ju u: je: jo o: ja: a:/ > /ji: ju u: je: jo o: ja: a:/

Resulting in

/i u/
/e o/
/  a/

/ji ju/
/je jo/
/ja   /

/ji:/
/je:/
/ja:/

Tropylium wrote:Is that necessarily *r → j though? IIRC Chukchi /r/ is from PCK *ð, and *ð → j would sound somewhat more plausible (e.g. *d- → *j- is known from Proto-Turkic, and I've seen this also reconstructed as *ð rather than *d; palatal → dental has happened frequently in Australian langs).

gach wrote:While we're at it, do you happen to know any detailed time line of the Forest Nenets /ɬ ɬʲ/ vs. Tundra Nenets /r rʲ/ correspondence?

sangi39 wrote:A quick follow up question, though. Are the following changes, related to those posed in the original question, plausible:

Whimemsz wrote:

sangi39 wrote:A quick follow up question, though. Are the following changes, related to those posed in the original question, plausible:

They seem plausible enough to me.

zyxw59 wrote:Is there any way to get from implosives to prenasalized stops?

Alternatively, does:
ɓ -> ʔb -> pb -> p: (and likewise for other implosives)
look plausible?

Bristel wrote: Plus, would pə > po be possible?

Bristel wrote:pw > f?

Bristel wrote:kw > p?

Bristel wrote:Plus, would pə > po be possible?

Nortaneous wrote:Vowel system: /a ɛ ɔ i ɨ u aː ɛː ɛi̯ oː ɔu̯ iː ɨː uː/ and some other diphthongs that don't matter here. /eə̯ oə̯/ develop from various sources, mostly /e a/ before nasals (which then drop word-finally) but w+unstressed vowel also gives oə̯. What should I do with them? Note that /eə̯/ is pretty rare.

zyxw59 wrote:

Nortaneous wrote:Vowel system: /a ɛ ɔ i ɨ u aː ɛː ɛi̯ oː ɔu̯ iː ɨː uː/ and some other diphthongs that don't matter here. /eə̯ oə̯/ develop from various sources, mostly /e a/ before nasals (which then drop word-finally) but w+unstressed vowel also gives oə̯. What should I do with them? Note that /eə̯/ is pretty rare.

I'm not sure how well this could work, but:
eə̯ oə̯ -> *eɐ̯ *oɐ̯ -> *eR *oR -> ɹ̩ ɹ̩ʷ
R being some rhotic
and I'm especially not sure about the last stage, but it might give you some ideas.

Bristel wrote:tw > ?

zyxw59 wrote:

Nortaneous wrote:Vowel system: /a ɛ ɔ i ɨ u aː ɛː ɛi̯ oː ɔu̯ iː ɨː uː/ and some other diphthongs that don't matter here. /eə̯ oə̯/ develop from various sources, mostly /e a/ before nasals (which then drop word-finally) but w+unstressed vowel also gives oə̯. What should I do with them? Note that /eə̯/ is pretty rare.

I'm not sure how well this could work, but:
eə̯ oə̯ -> *eɐ̯ *oɐ̯ -> *eR *oR -> ɹ̩ ɹ̩ʷ
R being some rhotic
and I'm especially not sure about the last stage, but it might give you some ideas.

jmcd wrote:

zyxw59 wrote:

Nortaneous wrote:Vowel system: /a ɛ ɔ i ɨ u aː ɛː ɛi̯ oː ɔu̯ iː ɨː uː/ and some other diphthongs that don't matter here. /eə̯ oə̯/ develop from various sources, mostly /e a/ before nasals (which then drop word-finally) but w+unstressed vowel also gives oə̯. What should I do with them? Note that /eə̯/ is pretty rare.

I'm not sure how well this could work, but:
eə̯ oə̯ -> *eɐ̯ *oɐ̯ -> *eR *oR -> ɹ̩ ɹ̩ʷ
R being some rhotic
and I'm especially not sure about the last stage, but it might give you some ideas.

To be honest, the reverse seems more reasonable. It's particularly the addition of the rhotic out of nowhere that seems out of place. Perhaps the reverse occured in a similar H lang and then hypercorrection appeared in the L lang once its social status changed?

CatDoom wrote:I've read that, in a few natural languages, vowel roundedness has been transferred to adjacent consonants, with the vowel becoming unrounded and the consonant becoming labialized. I was curious as to whether it might be at all plausible for a similar change to occur, affecting only one particular vowel. Specifically, I was wondering if the following changes make any sense:

C > Cʷ /_ɔ
ɔ > ɑ