err
UK[ɜː]US[ɜːr]
v
To make a mistake or be incorrect.
Etymology
The word 'err' has a direct and ancient lineage, originating from the Latin verb 'errare', which carried the literal sense of 'to wander' or 'to go astray'. This concept of physical wandering was naturally extended metaphorically to describe the act of straying from correctness, truth, or proper conduct. It entered Middle English from Anglo-French 'errer', preserving the core meaning of making a mistake. The semantic logic is elegantly preserved: just as one can wander from a path, one can also wander from the truth or from what is right.
Analysis
This is a simplex word derived directly from the Latin verb 'errare', meaning 'to wander, go astray, or be mistaken'. It entered English as a whole unit and cannot be meaningfully segmented into smaller morphemes within its current English spelling.
Examples
To err is human; to forgive, divine.
The study found that the system would err in roughly one out of every thousand calculations.
If we err in our judgment, we must be prepared to face the consequences.