can
UK[kæn]US[kæn]
modal
to be able to
modal
to be allowed to
n
a closed metal container for food or drink
v
to preserve food by sealing it in a can
Etymology
The verb 'can' originates from the Proto-Germanic kunnaną, meaning "to know how, to be mentally able." This sense of mental capability evolved into the modern modal verb expressing ability or permission. The noun 'can', meaning a container, has a separate origin, likely from the Old English 'canne', meaning "a cup or container," which may be related to the Latin 'canna' (reed, tube). Over centuries, the modal verb shed its infinitive and past tense forms, becoming a defective verb, while the noun followed a straightforward path denoting a vessel. The convergence of these two distinct words into the identical spelling 'can' is a classic example of homonymy in English.
Analysis
This is a simplex word of Germanic origin. The modern form 'can' evolved from the Old English 'cunnan', meaning "to know, to be able." Its functional role is as a modal verb and a noun/verb of distinct but related origins.
Examples
She can speak three languages fluently.
You can't park your car here.
He opened a can of soup for dinner.