6.2: §124. A Table of Greek and Latin Number Words
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)§124. A Table of Greek and Latin Number Words
| LATIN | GREEK | |||||
| Cardinal 1, 2, 3 | Ordinal 1st, 2nd, 3rd | Other1 | Cardinal | Ordinal | Other | |
| 1/2 | demi-2 | semi- | hemi- | |||
| 1 | un(i)- | prim- | singul- | hen- | prot(o)- | mon(o)- |
| 1-1/2 | sesqui- | |||||
| 2 | duo | secund- | bi-, bin- | dy- | deuter(o)- | di- |
| 3 | tri- | terti- | ter-, tern- | tri- | trit(o)- | tri- |
| 4 | quadr(i)- quadr(u)- | quart- | quarter(n)- | tetr(a)- | ||
| 5 | quinqu(e)- | quint- | quin- | pent(a)- | ||
| 6 | sex- | sext- | sen- | hex(a)- | ||
| 7 | septem- | septim- | septen- | hept(a)- | ||
| 8 | octo- | octav- | octon- | oct(o)-, octa- | ||
| 9 | novem- | non- | noven- | enne(a)- | ||
| 10 | decem- DECI-3 | decim- | den- | dec(a)- | ||
| 100 | cent(i)- | centesim- | centen- | hecaton: HECT(O)-3 | ||
| 1000 | mill(i)- | millesim- | millen- | chili(o): KILO-3 | ||
NOTES:
1 The “other” Latin numeral forms include adverbs (“twice,” ”thrice,” etc.) and distributives (“one each,” “two each,” etc.). Note these additional sequences:
primarius, secundarius, tertiarius, quartilis, . . . decimalis
singularis, binarius, ternarius, quaternarius, quinarius, . . . centenarius, millenarius
simplex, duplex, triplex, quadruplex, quintuplex (“twofold,” “threefold,” etc., < plicare)
2 The Latin word for “half” was dimidium, which became demi- through French. The regular combining prefix in Latin was semi- (not an independent word). In musical notation, a 64th note is a hemidemisemiquaver—the shorter the note, the longer the word.
3 The forms DECI-, HECT(O)- and KILO- are metric prefixes, adopted from French. In the metric system (SI = Système International), units of measure are divided by Latin prefixes, and multiplied by Greek. See §128.