chalk
UK[tʃɔːk]US[tʃɑːk]
n
A soft white or grey rock formed from the shells of very small sea creatures, often used for writing or drawing.
n
A small stick of this rock or a similar substance, used for writing or drawing, especially on a blackboard.
v
To write, draw, or mark something with chalk.
Etymology
The word 'chalk' entered English from the Old English 'cealc', which was borrowed from Latin 'calx', meaning 'limestone' or 'small stone for counting'. The Latin term itself likely has a deeper, pre-Latin Mediterranean origin. Over centuries, the meaning narrowed from a general term for limestone to specifically refer to the soft, white variety used for writing and marking. This evolution reflects the material's most prominent and practical application in historical and educational contexts.
Analysis
The word is a simplex loanword from Latin. Its spelling and form have been simplified and adapted into English as a single unit.
Examples
The teacher wrote the equations on the blackboard with a piece of white chalk.
The cliffs of Dover are famous for their striking white chalk faces.
He chalked the outline of the playing field on the grass.