LATIN DICTIONARYLexicon Latīnum
numeralfirst/second-declension numeral

decimus1

decimus (feminine decima, neuter decimum)
Classical[ˈdɛ.kɪ.mʊs]Ecclesiastical[ˈdɛː.t͡ʃi.mus]
decumō sg. dat. m.; sg. dat. n.; sg. abl. m.; sg. abl. n.Mille Verba core vocabulary

Meaning

  1. numeraltenth; the ordinal number after nonus and before undecimus

Declension

singular
formmasculinefeminineneuter
nominativedecimusdecima
decuma		decimum
decumum
genitivedecimī
decumī		decimae
decumae		decimī
decumī
dativedecimō
decumō		decimae
decumae		decimō
decumō
accusativedecimum
decumum		decimam
decumam		decimum
decumum
ablativedecimō
decumō		decimā
decumā		decimō
decumō
vocativedecime
decume		decima
decuma		decimum
decumum
plural
formmasculinefeminineneuter
nominativedecimī
decumī		decimae
decumae		decima
decuma
genitivedecimōrum
decumōrum		decimārum
decumārum		decimōrum
decumōrum
dativedecimīs
decumīs		decimīs
decumīs		decimīs
decumīs
accusativedecimōs
decumōs		decimās
decumās		decima
decuma
ablativedecimīs
decumīs		decimīs
decumīs		decimīs
decumīs
vocativedecimī
decumī		decimae
decumae		decima
decuma

Phrases from Meissner's Latin Phrase-Book

tertium decimum annum ago
I am in my thirteenth year.
decimum aetatis annum ingredi
to be entering on one's tenth year.
decimum annum excessisse, egressum esse
to be more than ten years old, to have entered on one's eleventh year.

dĕcĭmus or dĕcŭmus (the latter form prevailed in the later law lang.; hence, decumanus), a, um, adj. decem with superl. ending,
I. the tenth.
I. Prop.: mensis, Plaut. Am. 1, 2, 19; cf. Ter. Ad. 3, 4, 29: legio, Caes. B. G. 1, 40; cf. ib. 41; 42 al.: decima hora, Cic. Phil. 2, 31; and without hora, Auct. Her. 4, 51: annus, Verg. A. 9, 155: septuma (dies) post decumam, i. e. the seventeenth, id. G. 1, 284 Voss.: cum decumo efficit ager, i. e. tenfold, Cic. Verr. 2, 3, 47, § 112; so, extulisset, ib. § 113.—*
b. dĕcĭmum, adv. (like tertium, quartum, etc.; cf. Gell. 10, 1), for the tenth time, Liv. 6, 40.—
B. Subst.: dĕcĭma (dĕcŭma), ae, f. (sc. pars), the tenth part, tithe.
1. As an offering: testatur Terentius Varro ... majores solitos decimam Herculi vovere, Macr. S. 3, 12; so Varr. L. L. 6, § 54 Müll.; Just. 18, 7, 7; cf. with pars; Naev. ap. Prisc. p. 874 P.; Plaut. Stich. 1, 3, 80: tibi (sc. Pythico Apollini) hinc decumam partem praedae voveo, Liv. 5, 21; cf.: cum vovissent Apollini decumas praedae, Just. 20, 3, 3; cf. id. 18, 7, 7; Vulg. Gen. 14, 20; so esp. of the tithes given by the Hebrews to support the priesthood, id. Num. 18, 21 et saep.—
2. A largess openly bestowed by public men on the people: Oresti nuper prandia in semitis decumae nomine magno honori fuerunt, Cic. Off. 2, 17, 58; so Suet. Calig. 26; id. Galb. 15; Tac. H. 1, 20.—
3. A tithe, as a tax on landholders in the provinces, Cic. Verr. 2, 3, 10, § 25; more freq. in plur., id. ib. 2, 3, 39, § 89 sq.—
4. A tithe, as conveyed by last will: decimas uxoribus dari, Trach. ap. Quint. 8, 5, 19.
II. Meton. (like decem, decies, etc.), considerable, large, immense (poet.): vastius insurgens decimae ruit impetus undae, Ov. M. 11, 530 (cf.: decimanus, no. II., and in Gr. τρικυμία); so of billows, Sil. 14, 122; Luc. 5, 672; Val. Fl. 2, 54 (decimus by circumlocut.: qui venit hic fluctus, fluctus supereminet omnes; posterior nono est undecimoque prior, Ov. Tr. 1, 2, 50).

Origins

Inherited from Proto-Italic *dekəmos. Related to decem.

Gallo-Romance
  • Catalandelmefrom Old Catalan deume
  • Frenchdîmefrom Old French disme
  • Englishdimefrom Old French disme
  • Occitandèume
  • Occitandèime
  • Aragonesediezma
  • Aragonesedecima
  • Gascondesma
  • Gascondecima
Borrowings
  • Catalandècim
  • Englishdeci-
  • Frenchdécime
  • Portuguesedécimo
  • Spanishdécimo
  • Asturiandécimu
  • Russianдеци-
Italo-Dalmatian
  • Italiandecimo
  • Sardiniandécimufrom Italian decimo
  • Dalmatiandicto
  • Siciliandècimu
Ibero-Romance
  • Portuguesedízimo
  • Spanishdiezmo
  • Asturiandiezmu
Rhaeto-Romance
  • Friuliandiesim
proper noun · masculinesecond declension
Decimus2
Decimus m (genitive Decimī, feminine Decima)
Classical[ˈdɛ.kɪ.mʊs]Ecclesiastical[ˈdɛː.t͡ʃi.mus]

Meaning

  1. masculinea masculine praenomen, originally used for a tenth-born son.

Declension

declension
formsingularplural
nominativeDecimusDecimī
genitiveDecimīDecimōrum
dativeDecimōDecimīs
accusativeDecimumDecimōs
ablativeDecimōDecimīs
vocativeDecimeDecimī

Dĕcĭmus, i, m., Dĕcĭma, ae, f.,
I. proper names.
I. Decimus, a Roman praenomen, abbrev. D. In the gens Claudia it was given only to patricians; but among the Junii and Laelii to plebeians also; cf. Varr. L. L. 9, § 61 Müll.—Hence, Dĕcĭmiānus, a, um, adj., named for Decimus: pirus, Plin. 15, 15, 16, § 54.—
II. Decima, the goddess that presides over accouchements, a partus tempestivi tempore, Varr. and Caesel. ap. Gell. 3, 16, 10 sq.; cf. also Tert. Anim. 37; id. adv. Val. 32.

Origins

From decimus (“the tenth”).

Quick answers

What does decimus mean in Latin?
decimus, a numeral, means “tenth; the ordinal number after nonus and before undecimus”.
How do you pronounce decimus?
In classical Latin, [ˈdɛ.kɪ.mʊs]; in ecclesiastical (church) Latin, [ˈdɛː.t͡ʃi.mus].