obsidianus
Latin edit
Etymology edit
Named after Obsidius, who was, according to Pliny, the Roman who discovered the stone in Aethiopia.
The more common nomen Obsius was used by Sillig, but the correct name was Obsidius. Both names are of Italic (Sabine/Samnite) origin and ultimately come from Proto-Italic *op(i)s, from Proto-Indo-European *h₃ep- (“to work, toil”) (compare the goddess Ops).
Pronunciation edit
- (Classical) IPA(key): /ob.si.diˈaː.nus/, [ɔps̠ɪd̪iˈäːnʊs̠]
- (modern Italianate Ecclesiastical) IPA(key): /ob.si.diˈa.nus/, [obsid̪iˈäːnus]
Adjective edit
obsidiānus (feminine obsidiāna, neuter obsidiānum); first/second-declension adjective
Declension edit
First/second-declension adjective.
| Number | Singular | Plural | |||||
|---|---|---|---|---|---|---|---|
| Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
| Nominative | obsidiānus | obsidiāna | obsidiānum | obsidiānī | obsidiānae | obsidiāna | |
| Genitive | obsidiānī | obsidiānae | obsidiānī | obsidiānōrum | obsidiānārum | obsidiānōrum | |
| Dative | obsidiānō | obsidiānō | obsidiānīs | ||||
| Accusative | obsidiānum | obsidiānam | obsidiānum | obsidiānōs | obsidiānās | obsidiāna | |
| Ablative | obsidiānō | obsidiānā | obsidiānō | obsidiānīs | |||
| Vocative | obsidiāne | obsidiāna | obsidiānum | obsidiānī | obsidiānae | obsidiāna | |
References edit
- George Davis Chase, "The Origin of Roman Praenomina", in Harvard Studies in Classical Philology, vol. VIII (1897).