From Proto-Italic *russos, ultimately from Proto-Indo-European *h₁rewdʰ- (“red”). Compare Old East Slavic русъ (rusŭ) (< Proto-Slavic *rusъ < *rudsъ). See also ruber.
russus (feminine russa, neuter russum); first/second-declension adjective
First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | russus | russa | russum | russī | russae | russa | |
| genitive | russī | russae | russī | russōrum | russārum | russōrum | |
| dative | russō | russae | russō | russīs | |||
| accusative | russum | russam | russum | russōs | russās | russa | |
| ablative | russō | russā | russō | russīs | |||
| vocative | russe | russa | russum | russī | russae | russa | |
| albus, candidus, subalbus, niveus, cēreus, marmoreus, eburneus, cānus, blancus (ML.) | glaucus, rāvus, pullus, cinereus, cinerāceus, plumbeus, grīseus (ML. or NL.) | niger, āter, piceus, furvus |
| ruber, rūbidus, rūfus, rubicundus, russus, rubrīcus, pūniceus, murrinus, mulleus; cocceus, coccīnus, badius | rutilus, armeniacus, aurantius, aurantiacus; fuscus, suffuscus, colōrius, cervīnus, spādīx, castaneus, aquilus, fulvus, brunneus (ML.) | flāvus, sufflāvus, flāvidus, fulvus, lūteus, gilvus, helvus, croceus, pallidus, blondinus (ML.) |
| galbus, galbinus, lūridus | viridis | prasinus |
| cȳaneus | caeruleus, azurīnus (ML.), caesius, blāvus (LL.) | glaucus; līvidus; venetus |
| violāceus, ianthinus, balaustīnus (NL.) | ostrīnus, amethystīnus | purpureus, ātropurpureus, roseus, rosāceus |