OS. final [tʰ] became [t]; [-tʰ] > [-t]

OS. final [tʰ] became [t]; [-tʰ] > [-t]

Based on a single example, it seems final [-tʰ] > [-t], probably in Old Noldorin, as suggested by David Salo (GS/§4.55):

It is unclear whether this sound change applied to other final aspirates, or whether this change could also occur in later Sindarin.

Phonetic Rule Elements

[-tʰ] > [-t]

ON. final [tʰ] became [t]; [-tʰ] > [-t]

See OS. final [tʰ] became [t] for discussion.

Order (02100)

Before 03700 aspirates became voiceless spirants ᴹ√KHOTH > N. hûd Ety/KHOTH

Phonetic Rule Elements

[-tʰ] > [-t]

Phonetic Rule Examples

kʰūtʰ > kʰūt -tʰ > -t ᴹ√KHOTH > N. hûd ✧ Ety/KHOTH