expression, noun-modifying (irregular)
high-quality; of high quality
Prenominal phrase used to describe something as being of high quality. Often used in formal or evaluative contexts.
This shop carries high-quality products.
It is important to receive a high-quality education.
Phrase composed of 質 (しつ, 'quality') + の (possessive particle) + 高い (たかい, 'high'). A straightforward combination with no irregular etymology.