Μεσσήνιος

From LSJ

ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do

Source

French (Bailly abrégé)

c. Μεσήνιος.

Russian (Dvoretsky)

Μεσσήνιος: IIмессенец Her., Thuc. etc.
мессенский Her., Thuc. etc.

English (Woodhouse)

Messenian

⇢ Look up on Google | Wiktionary | LSJ full text search (Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)