"to count, enumerate," 1721, from Latin numeratus, past participle of numerare "to count, to number," from numerus "a number" (see number (n.)). Related: Numerated; numerating.

early 15c., numeracioun, "method or process of numbering or calculating," from Latin numerationem (nominative numeratio) "a counting out, paying, payment," noun of action from past-participle stem of numerare "to count, number," from numerus "number" (see number (n.)). Meaning "act or process of counting the number of" is from mid-15c.

1788, "pertaining to numbering or numeration," from Latin numerat-, past-participle stem of numerare "to count, number," from numerus "a number" (see number (n.)) + -ive. Related: Numeratively.

1540s, "word or figure by which the number of something is denoted" (a sense now obsolete), from Late Latin numerator "counter, numberer," agent noun from numerat-, past-participle stem of numerare "to count, number," from numerus "a number" (see number (n.)). From 1570s as "the number written above the line in a fraction," by 1670s as "one who or that which numbers."

"pertaining to or relating to number, denoting number," 1620s, from Latin numerus "a number" (see number (n.)) + -ical. Perhaps by influence of French numérique "of a number or numbers." Related: Numerically.

"study of the occult meaning of numbers, divination by numbers," 1911, a hybrid from Latin numerus "a number" (see number (n.)) + Greek -logia (see -logy). A correct formation would be arithmology, from Greek arithmos "number." Related: Numerological; numerologist.

"state of being numerous," 1610s, from Latin numerositatem (nominative numerositas) "a great number, a multitude," from numerosus "numerous," from numerus "a number" (see number (n.)).

early 15c., "consisting of a large number," from Latin numerosus "numerous," from numerus "a number" (see number (n.)). Related: Numerously; numerousness.

ancient kingdom in North Africa, later a Roman province roughly corresponding to modern Algeria, Latin, named for its inhabitants, the Numidians, whose name is related to nomad (n.). Related: Numidian.

Betwix Egipte and þe land þat es called Numid er xii day iourneez in desertes. Þe folk þat wones in þat cuntree er called Numidianes, and þai are cristned. Bot þai er blakk of colour. [John Mandeville's "Travels," c. 1425]

"divine, spiritual, of or pertaining to a numen," 1640s, from Latin numen (genitive numinis) "divine will," properly "divine approval expressed by nodding the head," from nuere "to nod," from PIE *neue- "to nod" (source also of Greek neuein "to nod;" Old Irish asnoi "to promise," adnoi "to entrust") + -ous.