cuius

Etymology 1
From the earlier (the standard spelling until the early Empire), either from, from  secondarily marked with the gen. sg. *-s, or from, a thematic adjective like 🇨🇬 and 🇨🇬,. The latter is more likely, since if the adjectival use had been a later development, it is hard to explain why, with its adjective counterpart , did not share this development. This genitive formation (probably original in pronouns) also appears in nominal forms like VALESIOSIO (on the Lapis Satricanus, early 5th c. BC), but in these it was ultimately displaced by.

Pronunciation

 * Note: although the first vowel is a short /u/, it is often spelled with a macron in sources that use macrons to indicate long syllables rather than long vowels. The first syllable is made long by its final [j].
 * Note: although the first vowel is a short /u/, it is often spelled with a macron in sources that use macrons to indicate long syllables rather than long vowels. The first syllable is made long by its final [j].

Etymology 2
Same as Etymology 1.

Etymology 3
Depending on Etymology 1, from, or less likely a reinterpretation of the genitive. These forms were considered rustic by some and even mocked (see example), yet survive into Romance.

Determiner

 * 1)  whose?
 * 2)  whose
 * 1)  whose