noun-modifying (irregular)
late-onset; delayed; tardive
Medical term describing a condition or symptom that appears after a delay, often used with diseases or drug side effects.
Caution is needed for delayed allergic reactions.
Tardive dyskinesia is known as a side effect of antipsychotic drugs.
Compound of 遅 (chi, 'late') + 発 (hatsu, 'occurrence') + 性 (sei, 'nature'), literally 'late-occurring nature'. The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.