ascender
Word family
Synonym discussion
Sense: noun/1
An ascender is the upward stroke of a lowercase letter that rises above the x-height, seen in letters like b, d, and h. The opposite is a descender — the tail that drops below the baseline, as in g, j, and p. Upstroke is a broader handwriting term for any upward pen movement, while ascender specifically names the typographic feature. In font design, ascender height and descender depth together determine a typeface's overall proportions and readability.
Etymology
Formed from the verb ascend (to go up or climb) plus the suffix -er, which here marks a thing that performs an action. Ascend itself traces back to Latin ascendere, from ad- 'to' + scandere 'to climb'. The typographic sense emerged in the early 20th century with the development of modern type design terminology; the climbing-device sense developed separately in the mid-20th century from the same base meaning of 'something that goes up.'
First known use
1867
1867, in the meaning defined at sense 1