primigenial /prī-mi-jēˈni-əl/

1. First or earliest formed or produced
2. Original
3. Primal

• leptin
• leptins
• leptocephali
• leptocephalic
• leptocephalous
• leptocephalus
• leptocercal
• leptodactyl
• leptodactylous
• leptodactyls
• leptome
• leptomes
• lepton
• leptonic
• lepton number
• leptons
• leptophyllous
• leptorrhine
• leptosomatic
• leptosome
• leptosomes
• leptosomic
• Leptospira
• leptospiroses
• leptospirosis