From Arpīnum + -ās (gentilic suffix).
The stress lies on the final syllable—an exception to the usual Latin stress rule—as a result of the contraction from -ātis.
arpīnās (genitive arpīnātis); third-declension one-termination adjective
Third-declension one-termination adjective.
singular | plural | ||||
---|---|---|---|---|---|
masc./fem. | neuter | masc./fem. | neuter | ||
nominative | arpīnās | arpīnātēs | arpīnātia | ||
genitive | arpīnātis | arpīnātium | |||
dative | arpīnātī | arpīnātibus | |||
accusative | arpīnātem | arpīnās | arpīnātēs | arpīnātia | |
ablative | arpīnātī | arpīnātibus | |||
vocative | arpīnās | arpīnātēs | arpīnātia |