ON. final [ǝ] was lost after [l, r, n, s], otherwise it became [a]; [-ǝ|-{lrns}ǝ] > [-a|-{lrns}ø]

ON. final [ǝ] was lost after [l, r, n, s], otherwise it became [a]; [-ǝ|-{lrns}ǝ] > [-a|-{lrns}ø]
@@@ also in Sindarin?

References ✧ PE22/25-27

Order (02700)

After 00500 final voiceless stops and [s] vanished in polysyllables ᴹ✶galā́sŏ > galṓsǝ > ON. galṓs PE22/26
After 02600 [ā], [au] became [ǭ] ᴹ✶galā́sŏ > galṓsǝ > ON. galṓs PE22/26

Phonetic Rule Elements

[-ǝ] > [-a]
[-{lrns}ǝ] > [-{lrns}ø]

Phonetic Rule Examples

galōsǝ > galǭs -{lrns}ǝ > -{lrns}ø ᴹ✶galā́sŏ > galṓsǝ > ON. galṓs ✧ PE22/26