Martio
Martio is a Latin form of Martius, meaning “of Mars; of March”. It is the ablative singular masculine adjective.
Found 39 times in the Latin texts on Socratos.
Where it is used
Cicero, Letters to Atticus 1.18.4: … us nummos vobis dividere solebat. is ad plebem P. Clodium traducit idemque fert ut universus populus in campo Martio suffragium de re Clodi ferat. hunc ego accepi in senatu, ut soleo, sed nihil est illo homine lentius.
All forms of Martius (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.