proem /prōˈem/

1. An introduction
2. A prelude
3. A preface

proemial /prō-ēˈmi-əl/ adjective

• first-aiders
• first and last
• first-attack
• first-begotten
• first blood
• first blush
• First Book of Discipline
• first-born
• first cab off the rank
• first catch your hare
• first cause
• first chop
• first-class
• first-class mail
• first-class post
• first cousin
• first cousin once removed
• first-day
• first-day cover
• first-day covers
• hexaëmeron
• hexed
• hexene
• hexenes
• hexes