ui-

prefix. twi-

Cognates

• ᴹQ. yú- “both” ✧ Ety/YŪ

Derivations

• ᴹ√YŪ “two, both” ✧ Ety/YŪ

Element in

• N. uial “twilight” ✧ Ety/YŪ

Phonetic Developments

Development	Stages	Sources
ᴹ√YŪ > ui-	[jūju] > [jūjo] > [juio] > [uio] > [ui]	✧ Ety/YŪ

ui

adverb. ever

Derivations

• ᴹ√GEY “ever, everlasting” ✧ Ety/EY; Ety/GEY
• On. uigo “everlasting” ✧ Ety/OY
  • ᴹ√OY “ever, eternal” ✧ Ety/OY

Element in

• N. Fenn Uiforn “Ever Closed [Door]” ✧ WR/341
• N. Mindor Uilas “*Isolated Mountain of Ever-leaf”
• N. Uiar “Ulmo”
• N. Uilos “Everlasting Snow” ✧ Ety/EY (Uiloss); Ety/OY
• N. Guilos “ever-snow” ✧ Ety/GEY (Guilos)

Phonetic Developments

Development	Stages	Sources
ᴹ√EY > Ui-	[eigo] > [oigo] > [uigo] > [uiɣo] > [uiɣ] > [ui]	✧ Ety/EY
ᴹ√GEY > Gui-	[geigo] > [goigo] > [guigo] > [guiɣo] > [guiɣ] > [gui]	✧ Ety/GEY
On. Uigo > Ui-	[uigo] > [uiɣo] > [uiɣ] > [ui]	✧ Ety/OY

Variations

• Ui- ✧ Ety/EY (Ui-); Ety/OY
• Gui- ✧ Ety/GEY (Gui-)
• ui ✧ WR/341