Relating to Attica, the ancient Greek region that included Athens, or to the dialect, culture, or style of that region.
From Attica (the region in ancient Greece) + -al (adjective suffix). Attica itself comes from Greek Attike, likely meaning 'the land of the Athenians.'
Attical Greek is super important to linguistic history because the Athenian dialect became so influential that it basically became the standard form of ancient Greek that everyone copied.
Complete word intelligence in one call. Free tier — 50 lookups/day.