discontinuity

The story

1. Late Latin · derived fromdiscontinuitās
2. English todaydiscontinuity

From Late Latin discontinuitās, from discontinuus, equivalent to dis- + continuity.

First known use, by meaning

• from 16th c. A lack of continuity, regularity or sequence; a break or gap.
• from 19th c. A point in the range of a function at which it is undefined or discontinuous.