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-aticus - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

    Derived from -ātus (-ate”, “-like) +‎ -icus (derivational suffix), occurring in some original cases and later freely extended. Not to be confused with the ending -aticus (note the short /a/) found in various borrowings from Greek (cf. aenigmaticus, grammaticus).

    -āticus (feminine -ātica, neuter -āticum); first/second-declension suffix

    1. Used to form adjectives indicating a relation to the root noun or actions related to it.
      umbra (shadow”, “shade) + ‎-aticus → ‎umbrāticus (found in the shade)
      via (road”, “path) + ‎-aticus → ‎viāticus (related to a journey or travel)

    First/second-declension adjective.