See -ari; the -u- is probably re-extracted from verb stems ending in -u-.
-uri (front vowel harmony variant -yri, linguistic notation -Uri)
-uri (front vowel variant -yri)
| Declension of -uri (type 5/vahti, no gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | -uri | -urit |
| genitive | -urin | -uriin, -uriloin |
| partitive | -uria | -urija, -uriloja |
| illative | -urii | -urii, -uriloihe |
| inessive | -uriis | -uriis, -urilois |
| elative | -urist | -uriist, -uriloist |
| allative | -urille | -uriille, -uriloille |
| adessive | -uriil | -uriil, -uriloil |
| ablative | -urilt | -uriilt, -uriloilt |
| translative | -uriks | -uriiks, -uriloiks |
| essive | -urinna, -uriin | -uriinna, -uriloinna, -uriin, -uriloin |
| exessive1) | -urint | -uriint, -uriloint |
| 1) obsolete *) the accusative corresponds with either the genitive (sg) or nominative (pl) **) the comitative is formed by adding the suffix -ka? or -kä? to the genitive. | ||
From older -ure, from the plurals in -ora of Latin neuter nouns ending in -us (such as tempus, tempora, ancestor of Romanian timp, timpuri). Because the final vowel of Latin -ora was identical in form with the feminine singular ending -a, neuter plural forms ending in -ora were interpreted as feminine; then by analogy with feminine plural forms, the final -a was replaced, first with -e (the feminine plural ending that developed from proto-Romance *-as > *-ai̯ > -e) later with -i (many feminine Romanian nouns such as roată have also replaced an original plural in -e with one in -i). Maiden 2016 suggests that, as an alternative to analyzing -uri as a unitary plural suffix, it is also possible to analyze these plurals as ending in a root extension -ur- followed by the plural ending -i.
-uri n pl or f pl