He is a trueborn Edokko.
生粋の職人気質で、手抜きは一切しない。
With a genuine craftsman's spirit, he never cuts corners.
Standard kanji spelling; high-frequency news ranking.
Emphatic variant with small っ; less common.
The kanji 生 (life, birth) and 粋 (pure, essence) combine to suggest 'pure from birth'. The reading きっすい is a native Japanese word; the exact historical derivation is uncertain.