-u-

interfix

A linking vowel inserted between two morphemes, to ease pronunciation, without contributing to the meaning.

OriginLatin -u- →
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Meanings

-u-1

interfix
  1. A linking vowel inserted between two morphemes, to ease pronunciation, without contributing to the meaning.

-u-2

infix
  1. medicinea monoclonal antibody derived from a human source.

Origin

-u- · interfix

  1. Latin-u-
  2. English-u-

From Latin -u-.

More words from Latin

Full word history & related roots →

-u- · infix

From the initial vowel of human.

Full word history & related roots →
Cite this entry
APA

-u-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/-u-

MLA

“-u-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/-u-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “-u-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/-u-.

Source: -u- on Wiktionary, CC BY-SA 4.0.