Dan. aspirates became voiceless spirants; [{ptk}ʰ] > [{fθh}]

Dan. aspirates became voiceless spirants; [{ptk}ʰ] > [{fθh}]
Primitive aspirates became voiceless spirants in Danian as they did in all the Eldarin languages (PE19/27), a change that is well documented in the Comparative Tables but supported only by Dan. hrassa < ᴹ✶khrassē in The Etymologies (Ety/KHARÁS).

Reference ✧ PE19/27

Order (01000)

After 00500 initial [p] became [pʰ]

Phonetic Rule Elements

[pʰ] > [f] ✧ PE19/18 (ph- > f-); PE19/18 (ph- > f-); PE19/21 (phr- > fr-); PE19/21 (phr- > fr-); PE19/21 (phl- > fl-); PE19/21 (phl- > fl-)
[tʰ] > [θ] ✧ PE19/18 (th- > th-); PE19/18 (th- > th-); PE19/21 (thr- > þr-); PE19/21 (thr- > þr-)
[kʰ] > [x]

Phonetic Rule Examples

kʰ- > x- kʰ > x ᴹ✶khj- > Dan. h- ✧ PE19/18
kʰ- > x- kʰ > x ᴹ✶khj- > ED. h- ✧ PE19/18
kʰ- > x- kʰ > x ᴹ✶kh- > Dan. h- ✧ PE19/18
kʰ- > x- kʰ > x ᴹ✶kh- > ED. h- ✧ PE19/18
-kʰj- > -xj- kʰ > x ᴹ✶-khj- > Dan. -(i) ✧ PE19/23
kʰl- > xl- kʰ > x ᴹ✶khl- > Dan. hl- ✧ PE19/21
kʰl- > xl- kʰ > x ᴹ✶khl- > ED. hl- ✧ PE19/21
kʰr- > xr- kʰ > x ᴹ✶khr- > Dan. hr- ✧ PE19/21
kʰr- > xr- kʰ > x ᴹ✶khr- > ED. hr- ✧ PE19/21
kʰrassē > xrassē kʰ > x ᴹ✶khrassē > Dan. hrassa ✧ Ety/KHARÁS
-kʰw- > -xw- kʰ > x ᴹ✶-khw- > ED. -(v) ✧ PE19/23
kʰw- > xw- kʰ > x ᴹ✶khw- > Dan. hw- ✧ PE19/18
kʰw- > xw- kʰ > x ᴹ✶khw- > ED. hw- ✧ PE19/18
-kʰw- > -xw- kʰ > x ᴹ✶-khw- > Dan. - ✧ PE19/23
ndanitʰǭrō > ndaniθǭrō tʰ > θ ᴹ√DAN > Dan. Denethor ✧ Ety/DAN