1. Having existed from the beginning; in an earliest or original stage or state
   - aboriginal, primal, primeval, primordial

See also: early

Encyclopedia: Primaeval

• Lyme disease
• lyme grass
• lymph
• lymph cell
• lymph gland
• lymph node
• lymph vessel
• lymphadenitis
• lymphadenoma
• lymphadenopathy
• lymphangiectasia
• lymphangiectasis
• lymphangiogram
• lymphangiography
• lymphangioma
• lymphangitis
• lymphatic
• lymphatic system
• lymphatic tissue
• lymphatic vessel
• lymphedema
• lymphoblast
• lymphoblast-like
• lymphoblastic leukemia
• lymphocyte