ᴱQ. initial [s] plus voiceless stops became voiceless spirants; [s{pɸ}-|s{tθ}-|s{kx}-] > [ɸ-|θ-|x-]

⚠️ᴱQ. initial [s] plus voiceless stops became voiceless spirants; [s{pɸ}-|s{tθ}-|s{kx}-] > [ɸ-|θ-|x-]

Phonetic Rule Elements

[sp-] > [ɸ-]
[st-] > [θ-]
[sk-] > [x-]

Phonetic Rule Examples

skampa- > xampa- sk- > x- ᴱ√kapa- > ᴱQ. hampa- ✧ PE14/66
skanta > xanta sk- > x- ᴱ✶skantá > ᴱQ. hanta ✧ PE13/147
skapta- > xapta- sk- > x- ᴱ✶skapi̯a- > ᴱQ. hapta- ✧ PE14/66
skend > xend sk- > x- ᴱ✶ske-ndá > ᴱQ. hen ✧ PE13/147
staina > θaina st- > θ- ᴱ✶stainá > ᴱQ. saina ✧ PE13/153
stakta- > θakta- st- > θ- ᴱ✶stak+ta > ᴱQ. sahta ✧ PE14/66