cursor (n.)

c. 1300 (as a surname) "a running messenger," from Latin cursor "runner," also "errand-boy," from curs-, past-participle stem of currere "to run" (from PIE root *kers- "to run"). From 1590s as "part of aslide rule or other instrument that slides backward and forward upon another part." The computer screen sense is a 1967 extension of this.

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