ᴹQ. [sp], [sk] became [ps], [ks]; [sp|sk|skw] > [ps|ks|skw]

ᴹQ. [sp], [sk] became [ps], [ks]; [sp|sk|skw] > [ps|ks|skw]

References ✧ PE19/36, 48-49; PE22/17

Order (03500)

After	01500	ᴹAQ. [z] plus voiced stop became unvoiced
After	02100	ᴹAQ. syllabic initial [s] became [is]
After	02000	long final vowels were shortened
Before	04000	initial [ps], [ks] became [s]

Phonetic Rule Elements

[sp]	>	[ps]	✧ PE19/37 (sp > ps); PE19/38 (sp > ps; initial); PE19/50 (sp > ps)
[sk]	>	[ks]	✧ PE19/37 (sk > ks); PE19/38 (sk > ks; initial); PE19/50 (sk > ks)

Phonetic Rule Examples

maska > maksa	sk > ks	ᴹ✶mazgā > ᴹQ. maksa	✧ Ety/MASAG
maska > maksa	sk > ks	ᴹ✶mazgā > ᴹQ. maksa	✧ EtyAC/MASAG
maska > maksa	sk > ks	ᴹ✶mazgā > ᴹQ. maksa	✧ EtyAC/MASAG
maske > makse	sk > ks	ᴹ✶mazgē > ᴹQ. makse	✧ Ety/MASAG
maske > makse	sk > ks	ᴹ√MÁSAG > ᴹQ. makse	✧ EtyAC/MASAG
masko > makso	sk > ks	ᴹ✶mazgō > ᴹQ. makso	✧ PE19/48
miska > miksa	sk > ks	ᴹ√MISK > ᴹQ. miksa	✧ Ety/MISK
puspo > pupso	sp > ps	ᴹ✶buzbō > ᴹQ. pupso	✧ PE19/48

ᴱQ. [sp] became [ps], [sk] sometimes [ks]; [sp|sk] > [ps|ks]

Reference ✧ PE12/19

Phonetic Rule Elements

[sp]	>	[ps]
[sk]	>	[ks]

Phonetic Rule Examples

aska > aksa	sk > ks	ᴱ√ASAKA > ᴱQ. aksa	✧ QL/29
mbaska > mbaksa	sk > ks	ᴱ√M(B)ASA > ᴱQ. maksa-	✧ QL/59
oskā > oksā	sk > ks	ᴱ√OSO¹ > ᴱQ. oksa	✧ QL/71