ultrashort

English

Etymology tree

Proto-Indo-European *h₂el-

Latin ūls

Proto-Indo-European *-teros?

Latin -ter

Old Latin -ād

Latin -ā

Latin ultrābor.

English ultra-

Proto-Indo-European *(s)ker-der.?

Proto-Germanic *skertaną

Proto-Germanic *skurtaz

Proto-West Germanic *skurt

Old English sċort

Middle English schort

English short

English ultrashort

From ultra- + short.

ultrashort (not comparable)

(technical or informal) Very short.
ultrashort skirts
(sciences) Extremely short in duration, typically on the femtosecond scale
an ultrashort pulse
(physics, of a wave) Having a wavelength of between 1 and 10 metres
(finance) Having a very short term of investment, typically less than a year
an ultrashort bond

very short

science: extremely short in duration

physics: having a wavelength between 1 and 10 metres

finance: having a very short term of investment

ultrashort (plural ultrashorts)

(finance) A bond with an extremely short term, typically less than a year
- 1995 February 19, Carole Gould, “Mutual Funds: Ultrashort but Long on Choices”, in The New York Times‎^[1]:
  Ultrashorts were a way for the fund industry to appeal to bank customers, by offering an investment whose price did not vary much but whose yield was higher than that on certificates of deposit.