N. initial [θl] sometimes became [fl]; [θl-] > [fl-]

N. initial [θl] sometimes became [fl]; [θl-] > [fl-]
GS/@4.226 @@@

Order (06600)

After 01100 short [i], [u] became [e], [o] preceding final [a] ᴹ√SLUS > thloss > N. floss Ety/SLUS
After 02100 short final vowels vanished ON. thlaiwa > thlaew > N. flaew Ety/SLIW
After 03100 [ai] became [oe] or [ae] ON. thlaiwa > thlaew > N. flaew Ety/SLIW
After 06400 long [i] shortened before [w] fliw

Related

Phonetic Rule Elements

[θl-] > [fl-] ✧ PE19/21 (thl- > fl-; dial)

Phonetic Rule Examples

θlaew > flaew θl- > fl- ON. thlaiwa > thlaew > N. flaew ✧ Ety/SLIW
θliw > fliw θl- > fl- ON. thlīwe > thliw > N. fliw ✧ Ety/SLIW
θloss > floss θl- > fl- ᴹ√SLUS > thloss > N. floss ✧ Ety/SLUS

G. initial [θ] sometimes became [f] before [l], [r], [w]; [θ{rlw}-] > [f{rlw}-]

HSG/§2.4

Order (05900)

After 05800 [s] became [θ] before [l], [r], [w]

Phonetic Rule Elements

[θl-] > [fl-]
[θr-] > [fr-]
[θw-] > [fw-]