sexhorarius

Adjective

 * 1)  six hours
 * Francis Bacon - Novum Organum - "sit natura inquisita Fluxus et Refluxus Maris, ille bis repetitus in die atque sexhorarius in accessibus et recessibus singulis"
 * "let the nature in question be the Ebb and Flow of the Sea; each of which is repeated twice a day, and takes six hours each time"