S. short [u] often became [o]; [ŭ|uC{uw}|u{mn}] > [o|uC{uw}|u{mn}]

Phonetic Rule Elements

[ŭ] > [o]
[uC{uw}] > [uC{uw}]
[u{mnŋ}] > [u{mnŋ}]

Phonetic Rule Examples

kurwe > kurwe uC{uw} > uC{uw} kuru- > S. curu- ✧ VT41/10.3005
uruku > uruku uC{uw} > uC{uw} urku/uruku > S. urug ✧ WJ/390.0803

N. short [u] often became [o]; [ŭ|uC{uw}|u{mn}] > [o|uC{uw}|u{mn}]

GS/§4.88 WG/§66i WG/§73i possible aberration: thonn (after short final vowels vanished?) @@@

Order (02000)

Before 02100 short [e], [a], [o] became [i], [e], [œ] preceding [i] ᴹ√DUL > dœlio > N. delio Ety/DUL
Before 04600 non-initial [h] vanished ON. nuhina > nohen > N. noen EtyAC/NUS

Phonetic Rule Elements

[ŭ] > [o]
[uC{uw}] > [uC{uw}]
[u{mnŋ}] > [u{mnŋ}]

Phonetic Rule Examples

gurθu > gurθu uC{uw} > uC{uw} ON. ngurtu > N. guruth ✧ Ety/ÑGUR.009
guru > guru uC{uw} > uC{uw} ON. nguru > N. gûr/gurw‽ ✧ Ety/ÑGUR.006
guru > guru uC{uw} > uC{uw} ᴹ√NGUR > N. Guru ✧ Ety/WAN.069
kukua > kukua uC{uw} > uC{uw} ON. kukua > N. cugu ✧ Ety/KŪ.012
kurwe > kurwe uC{uw} > uC{uw} ᴹ√KUR > curw > N. curu ✧ Ety/KUR.008
tuluɣme > tuluɣme uC{uw} > uC{uw} ON. tulugme > N. tulu ✧ Ety/TULUK.020
tulusse > tulusse uC{uw} > uC{uw} ᴹ✶tyulussē > N. tulus ✧ Ety/TYUL.014
uɣu- > uɣu- uC{uw} > uC{uw} ᴹ✶ugu/gū > N. ú- ✧ EtyAC/UGU.014
ulumo > ulumo uC{uw} > uC{uw} ᴹ✶Ulumō > N. Ulu ✧ Ety/ULU.029
krumbe > krumbe u{mnŋ} > u{mnŋ} ᴹ✶krumbē > N. crum ✧ Ety/KURÚM.003
kumbe > kumbe u{mnŋ} > u{mnŋ} ᴹ√KUB > cumb > N. cum ✧ Ety/KUB.008
kundo > kundo u{mnŋ} > u{mnŋ} ᴹ√KUND-Ū > N. †cunn ✧ Ety/KUNDŪ.006
lumbe > lumbe u{mnŋ} > u{mnŋ} ᴹ√LUM > N. lhum ✧ Ety/LUM.024
lunθe > lunθe u{mnŋ} > u{mnŋ} ᴹ√LUT > N. lhunt ✧ Ety/LUT.008
tumbo > tumbo u{mnŋ} > u{mnŋ} ᴹ✶tumbu > N. tum ✧ Ety/TUB.012
tumɸo > tumɸo u{mnŋ} > u{mnŋ} ᴹ√TUMPU > N. tump ✧ Ety/TUMPU.006
tundo > tundo u{mnŋ} > u{mnŋ} ᴹ✶tundu > tund > N. tunn ✧ Ety/TUN.007
dulia- > dolia- ŭ > o ᴹ√DUL > dœlio > N. delio ✧ Ety/DUL.006
fanθur > fanθor ŭ > o ᴹ✶Spanturo > N. Fennyr/Fennuir ✧ Ety/SPAN.052
gurena > gorena ŭ > o ᴹ√ÑGUR > N. goren ✧ EtyAC/ÑGUR.056
kul > kol ŭ > o ᴹ√KUL > N. côl ✧ Ety/KUL.007
lurne > lorne ŭ > o ᴹ√LUR > N. lhorn ✧ EtyAC/LUR.007
lusse > losse ŭ > o ᴹ√LUS > N. lhoss ✧ EtyAC/LUS.004
luta- > lota- ŭ > o ᴹ√LUT > N. lhoda ✧ Ety/LUT.010
nu > no ŭ > o ᴹ√NŪ̆ > N. no ✧ Ety/NU.014
nuhena > nohena ŭ > o ON. nuhina > nohen > N. noen ✧ EtyAC/NUS.011
nut- > not- ŭ > o ᴹ✶nut- > N. nod- ✧ Ety/WŌ.109
orθur- > orθor- ŭ > o ᴹ✶or-tur- > N. orthor ✧ Ety/TUR.066
uspe > ospe ŭ > o ᴹ✶us(u)k-wē > N. osp ✧ Ety/USUK.007
uvra- > ovra- ŭ > o ᴹ√UB > N. ovro ✧ Ety/UB.026
russe > rosse ŭ > o ON. russe > N. †rhoss ✧ Ety/RUS.018
suk- > sok- ŭ > o ᴹ√SUK > N. sôg ✧ Ety/SUK.011
tuk- > tok- ŭ > o ᴹ√TUK > N. tôg ✧ Ety/TUK.012
tul- > tol- ŭ > o ᴹ√TUL > N. tôl ✧ Ety/TUL.017
tuloka > toloka ŭ > o ᴹ√TULUK > N. tolog ✧ Ety/TULUK.017
tulxasse > tolxasse ŭ > o ᴹ√TULUK > N. Tolchas ✧ EtyAC/TULUK.003
θura- > θora- ŭ > o ᴹ√THUR > N. thoro- ✧ Ety/THUR.031
θusta- > θosta- ŭ > o ᴹ√THUS > N. thosto ✧ EtyAC/THUS.003
θrusse > θrosse ŭ > o ᴹ√SRUS > N. thross ✧ Ety/SLUS.007

G. [a], [u] became [o] in final unstressed closed syllable; [-ˌ{au}C] > [-oC]

HPG/§1.5

Reference ✧ GG/13 ✧ phonetics

Phonetic Rule Elements

[-ˌaC] > [-oC]
[-ˌuC] > [-oC]

Phonetic Rule Examples

aikas > aikos -ˌaC > -oC ᴱ✶aikasse > G. aigos ✧ GL/17.7401
aiθaθ > aiθoθ -ˌaC > -oC ᴱ✶eχt·taþ· > G. aithos ✧ GL/18.7201
avas > avos -ˌaC > -oC ᴱ√AWA > G. avos ✧ LT2A/Ausir.004
falxan > falxon -ˌaC > -oC ᴱ√FḶKḶ > G. falchon ✧ LT2A/Glorfalc.057
gomat > gomot -ˌaC > -oC ᴱ✶ŋwa·mat > G. gomod ✧ GL/44.2801
gopas > gopos -ˌaC > -oC ᴱ√KOPO > G. gobos ✧ LT1A/Kópas.017
maiðan > maiðon -ˌaC > -oC ᴱ✶megđana > G. maidhon ✧ GL/56.1301
saiðan > sekðon -ˌaC > -oC ᴱ✶sek’·ðana > G. Saidhon ✧ GL/66.7401
amun > amon -ˌuC > -oC ᴱ✶amundǝ > G. amon ✧ PE13/110.0101
eðus > eðos -ˌuC > -oC *ᴱ✶eđus > G. edhos ✧ GL/31.8301
eðusmon > eðosmon -ˌuC > -oC ᴱ✶eđusmānī > G. Edhofon ✧ GL/31.8201
taruk > tarok -ˌuC > -oC *ᴱ✶taruku- > G. tarog ✧ GL/69.3401