濃厚
のうこう rich (flavor, color, etc.); strong (e.g. odor)
Why it means this
濃 (thick) + 厚 (rich) — rich and heavy (of flavour, colour); also 'strong' (a strong likelihood — 濃厚な疑い).
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.