colossal

The word 'colossal' originates from the Greek kolossos, which referred specifically to a giant statue, most famously the Colossus of Rhodes. This Greek term was adopted into Latin as colossus, retaining its meaning of a gigantic statue. The English adjective was formed in the early 18th century by appending the common adjectival suffix '-al' to the Latin root. The semantic logic is direct: something 'colossal' is of a size or scale reminiscent of an ancient, monumental statue, thus signifying immense proportions.

Structure: coloss (colossus) + al (adjective suffix) - coloss: From Latin colossus (a giant statue), from Greek kolossos (a giant statue, especially the Colossus of Rhodes). It functions as the core root conveying the sense of immense size. - al: A suffix of Latin origin (-alis) used to form adjectives meaning "of, relating to, or characterized by."