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