-i-

Etymology 1
From.

Interfix

 * 1)  A vowel inserted interconsonantally between morphemes of Latinate origin in order to ease pronunciation (an anaptyxis, a linking vowel).

Derived terms

 * (equidistant)
 * (sudoriferous)
 * (cuneiform, setiform)

Etymology 2
The initial vowel of primate.

Interfix

 * 1)  a monoclonal antibody derived from a non-human primate source

Related terms

 * is the base suffix common to all monoclonal antibodies. (See that entry for full paradigm.)

Etymology 3
A word-internal spelling variant of a word-final y.

Usage notes
This convention applies to any final y vowel, not just to the suffix -y. It does not apply to digraph vowels ending in y and followed by a suffix, for example lay → lays (cf. laid, lain), nor to a single-letter y vowel before a suffix such as -ing that begin with an i, for example spying (cf. spies, spied).

Etymology 1
From, from (oblique plural marker).

Usage notes

 * if the plural indicator is between two vowels it becomes

Etymology 2
From, from (past tense marker).

Etymology
From the of several historical unstressed short stem vowels during the Old Latin period. The reduced vowel was later reinterpreted as part of various suffixes.

Pronunciation
Palatalization of a word-final consonant or consonant cluster is indicated by the insertion of an orthographic $⟨i⟩$ before the letter(s) representing the consonant(s).

Etymology
.

Infix

 * 1) it, them;