fashionable pattern; trendy design
Refers to a pattern or design that is currently in fashion, often used for clothing, textiles, or accessories.
This year's fashionable pattern is floral prints.
She always wears skirts with trendy patterns.
Compound of 流行 (りゅうこう, 'fashion') + の (possessive particle) + 柄 (がら, 'pattern'). The exact historical derivation is straightforward; the phrase simply means 'pattern of fashion'.