40 | ||
← 3 | IV 4 |
5 → |
---|---|---|
Cardinal: quattuor Ordinal: quārtus Adverbial: quater Proportional: quadruplus Multiplier: quadruplex, quadriplex Distributive: quaternus, quadrīnus Collective: quaterniō Fractional: quadrāns, teruncius |
From Proto-Indo-European *kʷeturtos ~ *kʷetwr̥tos (whence Ancient Greek τέταρτος (tétartos), Sanskrit चतुर्थ (caturtha), Proto-Balto-Slavic *ketwirtas and Proto-Germanic *fedurþô), from *kʷetwóres (“four”). Cognate to quadrus (“square”), from sense “four-sided”. For the phonetic development, De Vaan[1] cites Schrijver[2] positing *kʷtwr̥to- > (with voicing of t) *kʷdwr̥to- > *kʷadworto-, followed by dw > w (cf. suāvis). The resulting *kʷawortos would regularly become quārtus (cf. Māvors > Mārs).
quārtus (feminine quārta, neuter quārtum); first/second-declension numeral
First/second-declension adjective.
singular | plural | ||||||
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masculine | feminine | neuter | masculine | feminine | neuter | ||
nominative | quārtus | quārta | quārtum | quārtī | quārtae | quārta | |
genitive | quārtī | quārtae | quārtī | quārtōrum | quārtārum | quārtōrum | |
dative | quārtō | quārtae | quārtō | quārtīs | |||
accusative | quārtum | quārtam | quārtum | quārtōs | quārtās | quārta | |
ablative | quārtō | quārtā | quārtō | quārtīs | |||
vocative | quārte | quārta | quārtum | quārtī | quārtae | quārta |