The word pair is used both as a noun

a pair of gloves

and a verb

a cardigan paired with a matching shirt

I believe the matching noun for three things is "trio", but is there a corresponding verb used for bringing together three things?

To clarify, I'm looking for a word that applies to combining exactly three different things. Not less, not more.

  • Just the hypernym combine. (and perhaps synonyms). Feb 3, 2021 at 14:53
  • You can always pair the cardigan and matching shirt with sweatpants. Now three things are combined. Feb 3, 2021 at 15:46
  • To clarify, I'm looking for a word that applies to combining exactly three things. Not less, not more.
    – edgerunner
    Feb 3, 2021 at 22:18
  • You don't want 'treble' (noun and verb, just as 'pair')?
    – JEL
    Feb 4, 2021 at 0:23
  • @JEL AFAIK, "treble" is just another form of "triple" as a verb. i.e. multiply by three, not combine three things
    – edgerunner
    Feb 4, 2021 at 9:04

2 Answers 2


Yes, intrine, though don't expect most people to know it.

English provides a lot of options for grouping more than two items: group, combine, match, assemble, bring together. Whereas a pair has a lot of specific associations in English (couples, card games, chromosomes, body parts), trios are rarer, and bringing three items together (rather than two or four) is rarer still.

Rarely, people do turn trio into a verb, though in a specific sense referring to playing against an opponent in a group of three. (Example from a Final Fantasy XI encyclopedia, where it is used interchangeably with solo and duo.) So verbing trio to mean combining would possibly lead to confusion.

A more established word would be intrine. It's rare; the only example in the OED is from a translation of Dante's Divine Comedy, III.xiii.84:

The Love which with them is intrined [l. 57, l'Amor che in lor s'intrea].

Here is the excerpt more fully, from the Princeton Dante Project:

For that living Light, which so streams forth

from its shining Source that it neither parts from it

nor from the Love that is intrined with them,

of its own goodness gathers its won shining,

as though it were a mirror, in nine subsistences,

and yet eternally endures as one.

So the Light, the Source, and the Love (names for the three parts of the Christian Holy Trinity) are intrined. The word is virtually preserved from Dante's own use (the reflexive verb used is s'intrea - roughly puts itself in three), a verb that Dante coined in Italian in order to represent the Trinity:

Yet, a third variety [of neologism] turns numbers into verbs, as incinquarsi, intrearsi, immillarsi, and internarsi. Again, numbers are concrete abstractions, but Dante confounds their numerical stability, by making them reflexive verbs, numbers multiplying themselves, pointing to infinity. This is particularly appropriate for the mystery of God's infinity and trinity. (B. D. Schildgen, "Dante's Neologisms in the Paradiso and the Latin Rhetorical Tradition." Dante Studies 107, 1989.)

This may be the closest to what you are looking for ("a corresponding verb for bringing together three things"), though it is both a specific and rare usage compared to pair.

  • So doesn't OED caveat 'intrine' (or is it too divine to be obsolete?) Feb 3, 2021 at 15:23
  • 1
    The OED calls it rare, but does not call it obsolete. At the very least, more recent translations of Dante still use the word. Feb 3, 2021 at 15:43
  • That was an interesting exercise, but given that its only appearance in the English language is as a translation from Dante's 1300s Italian coinage, it seems inadvisable to use it. Feb 3, 2021 at 15:52
  • 1
    Or, perhaps we're bringing intrine back; we're bringing intrine back...:) Feb 3, 2021 at 21:46
  • 🖤that's the sort of thing I was looking for :)
    – edgerunner
    Feb 3, 2021 at 22:19

You can use the verb to match: meaning:

to harmonize with:

  • the jacket matched the pants and the shirt.
  • 1
    Far too broad. Exactly three items (or the question becomes trivial). Feb 3, 2021 at 14:54
  • @EdwinAshworth - there is no such verb AFAIK. Match can sole the problem.
    – user 66974
    Feb 3, 2021 at 14:56
  • Maybe I should have made that requirement clear. Three and only exactly three. :)
    – edgerunner
    Feb 3, 2021 at 22:16

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