Quenya 

tailë

noun. lengthening, lengthening, [ᴹQ.] extension

A noun for “lengthening, extension” from The Etymologies of the 1930s under the root ᴹ√TAY “extend, make long(er)” (Ety/TAY), also appearing as an element in ómatailë “vowel lengthening” from both versions of Tengwesta Qenderinwa from the 1930s (TQ1: PE18/45) and around 1950 (TQ2: PE18/95).

tailë

lengthening, extension

tailë noun "lengthening, extension" (TAY)

taile#

noun. lengthening

lengthening

Quenya [PE 18:45] Group: Mellonath Daeron. Published by

taima

lengthening, extension

#taima noun "lengthening, extension" in ómataima, q.v.