greenish-blue

the compound adjective 'greenish-blue' is a modern english formation that descriptively combines two basic color terms. the first element, 'greenish', employs the productive suffix '-ish' to indicate a quality resembling, but not fully, green. this suffix has origins in old english '-isc', used to form adjectives. the second element, 'blue', entered english via old french from a germanic root. the compound follows a common pattern in english for naming intermediate or blended colors, where a modifier ('greenish') specifies the hue's tendency toward one color within a primary color pair. its logic is transparently descriptive, creating a precise color designation directly from its constituent meanings.

Structure: greenish (green-like) + blue (color) greenish (from old english 'grēne' meaning green, with the suffix '-ish' meaning 'having the qualities of'); blue (from old french 'bleu', of germanic origin, meaning the color blue).