Inherited from Old Polish martwy, miartwy, miertwy, from Proto-Slavic *mь̃rtvъ, from Proto-Balto-Slavic *mirtwas, from Proto-Indo-European *mr̥twós, ultimately from the root *mer- (“to die”).
martwy (not comparable, derived adverb martwo)
| singular | plural | |||||
|---|---|---|---|---|---|---|
| masculine animate | masculine inanimate | feminine | neuter | virile (= masculine personal) | non-virile | |
| nominative | martwy | martwa | martwe | martwi | martwe | |
| genitive | martwego | martwej | martwego | martwych | ||
| dative | martwemu | martwej | martwemu | martwym | ||
| accusative | martwego | martwy | martwą | martwe | martwych | martwe |
| instrumental | martwym | martwą | martwym | martwymi | ||
| locative | martwym | martwej | martwym | martwych | ||