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Alternative forms[edit]

  • -sor in forms derived from primarily third conjugation verbs with stems ending in -t-, -d-, -rg-, -ll-, or -rr-.


From Proto-Italic *-tōr, from Proto-Indo-European *-tōr < *-tor-s. The ō from the nominative case was made common to all cases. Afterwards nom.sg. -tōr > -tor, by Latin sound laws. Paradoxically, as in other r-stems (soror, -or), in the resulting paradigm the one form with a short stem vowel is the only form whose stem was etymologically long.[1]

Cognate to Ancient Greek -τωρ ‎(-tōr) as in δώτωρ ‎(dṓtōr).

Compare Latin -trum ‎(instrumental suffix), from Proto-Indo-European *-tr-o-m ‎(instrumental suffix), from a separate ablaut *-tḗr ‎(agentive suffix) (whence also -τήρ ‎(-tḗr) as in δοτήρ ‎(dotḗr)).



-tor m ‎(genitive -tōris); third declension

  1. -er; used to form a masculine agent noun

Usage notes[edit]

The suffix -tor is added to a verb to create a third-declension masculine form of an agent noun.

cantor ‎(male singer); masculine counterpart of cantrīx ‎(female singer), from canō ‎(I sing)
tōnsor ‎(male hair cutter); masculine counterpart of tōnstrīx ‎(female hair cutter), from tondeō ‎(I shear, shave)
quadrātor ‎(stonecutter), from quadrō ‎(I make square)

The suffix -tor occasionally is added to a noun to create an agent noun.

gladiātor ‎(gladiator), from gladius ‎(sword)
malleātor ‎(hammerer), from malleus ‎(hammer)


Third declension.

Case Singular Plural
nominative -tor -tōrēs
genitive -tōris -tōrum
dative -tōrī -tōribus
accusative -tōrem -tōrēs
ablative -tōre -tōribus
vocative -tor -tōrēs

Derived terms[edit]

Related terms[edit]


See also[edit]





Etymology 1[edit]

From Latin -tor (through a Vulgar Latin form *-torius, and feminine -toare from *-toria), with some neologisms based off French -teur. Ultimately from Proto-Italic *-tōr, from Proto-Indo-European *-tōr < *-tor-s.

Alternative forms[edit]


-tor m sg, n sg ‎(m plural -tori, f singular, f & n plural -toare)

  1. -er (used to form nouns from verbs)
    băutor - drinker
    călător - traveler
    făcător - maker

Derived terms[edit]

Etymology 2[edit]

From Latin -tōrius.

Alternative forms[edit]


-tor ‎(m plural -tori, f singular, f & n plural -toare)

  1. -ing (used to form adjectives from verbs)
    uimitor - amazing
    strălucitor - shining
See also[edit]
  • ^ Sihler, Andrew L. (1995) New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press