primer
UK[ˈpraɪmə]US[ˈprɪmər]
n
A book that covers the basic facts about a subject, used for teaching someone.
n
A substance painted on a surface as a base coat before the main paint is applied.
Morpheme Breakdown
prim
er
prim
first
er
agent/instrument suffix
Etymology
The word 'primer' has a dual lineage converging in English. Its oldest sense, referring to an elementary schoolbook, entered Middle English via Anglo-Norman primere and Medieval Latin primarius (liber), meaning "primary (book)". This directly stems from the Latin root primus (first). The later, technical sense of a preparatory coat of paint emerged in the 17th century, applying the same core logic of "that which comes first" to a material context. Thus, whether for the mind or for a surface, a primer is fundamentally the first or primary layer of instruction or preparation.
Analysis
Structure: prim (first) + er (agent/instrument suffix)
'prim' originates from Latin primus, meaning "first". The suffix '-er' is from Old English -ere, an agent suffix used to form nouns denoting a person or thing that performs an action.
Examples
She bought a primer on economics to understand the basics.
Apply a coat of primer to the bare wood before painting.
The teacher used a phonics primer with her beginning readers.