tooltip
tool·tip
tooltip · tooltips
An element of a graphical user interface in the form of a box of text that appears…An element of a graphical user interface in the form of a box of text that appears when a cursor is made to hover over an item; normally used to explain the function of the item.
/ˈtu(ː)l.tɪp/
Meaning
1 sensesAn element of a graphical user interface in the form of a box of text that appears when a cursor is made to hover over an item; normally used to explain the function of the item.
Origin
From tool + tip, originally used with toolbars to provide a tip or hint as to what functioFrom tool + tip, originally used with toolbars to provide a tip or hint as to what function each graphical icon represented. The term was introduced as ToolTip by Microsoft in the 1990s.
Wiktionary, CC BY-SA 4.0 · source