A Grammatical Dictionary of Botanical Latin

-or,-oris (s.m.III), abl. sg. –ore, nom.&acc.pl. -ores:

1. a male Latin substantival suffix referring to an agent, i.e. to one that does a (specified) activity, based on a verb, (often of the First Conjugation) and applied to the passive past participle, as in deliberator,-oris (s.m.III), abl.sg. deliberatore, he who deliberates [> L. delibero, 1., past participle deliberatus,-a,-um; deliberat- + -or > deliberator; delibera(t)- + -trix > deliberatrix].

Cf. L. doceo,-cui,-ctus 2, to teach, instruct > doctus > doct- + -or,-is (s.m.III), doctor,-oris (s.m.III), doctrix,-icis (s.f.III), he who teaches.

NOTE: the female suffix is –trix,-tricis (s.f.III), e.g. deliberatrix,-icis (s.f.III), she who deliberates; see –trix,-icis (s.f.III); see agent.

2. nouns (not suffixes), mostly of the masculine gender.

color,-oris (s.m.III), abl.sg. colore.

      singular          plural

Nom.   color            colores       color,-oris (s.m.III)
Gen.   coloris          colorum
Dat.   colori           coloribus 
Acc.   colorem          colores
Abl.   colore           coloribus

Arbor,-oris (s.f.III), abl.sg. arbore

NOTE: the geminine gender.

Calor,-oris (s.m.III), abl.sg. calore, heat.

Color,-oris (s.m.III), abl.sg. colore, color.

Dolor,-oris (s.m.III), abl.sg. dolore, pain

Honor,-oris (s.m.III), abl.sg. honore, honor, repute.

Humor,-oris (s.m.III), abl.sg. humore, humor, moisture, water content.

Odor,-oris (s.m.III), abl.sg. odore, odor, scent, smell.

Rubor,-oris (s.m.III), abl.sg. rubore, redness (sign of inflammation).

Tumor,-oris (s.m.III), abl.sg. tumore, swelling, tumor.

Uvor,-oris (s.m.III), abl.sg. uvore, moisture, wetness.

GENERIC NAMES

[fungi] Mucor, gen.sg. Mucoris (s.m.III).

(reptile) Epibator,-oris (s.m.III), abl.sg. Epibatore: > Gk. epi-, ‘upon’ + -bates, one that walks, in reference to the habit of the type species that (often) visits (i.e. haunts), or walks in or on trees: published as genus ‘Epibator.’

(plant; Hepatic) Stolonivector,-oris (s.m.III), abl.sg. Stolonivectore (Lophocoleaceae), ‘bearing stolons’ > L. stono,-onis (s.m.III) a shoot, a rooting basal branch + vector,-oris (s.m.III), one that bears, carries; one that rides upon something (Lewis & Short).

(plant) Indagator,-oris (s.m.III), abl.sg. Indagatore (Malvaceae) [> L. indagator,-oris (s.m.III): one who traces out, a tracker (of prey); indagator apum, one who hunts swarms of bees; indagator aquarum, a hunter of springs; an investigator, searcher); fem.: indagatric,-icsis ( s.f.III); a plant with the odor of Pisum sativum (peas) or Phaseolus vularis (beans).

PERSONAL NAMES

Hector, gen.sg. Hectoris

NOTE “some personal names, e.g. Taylor, which could have been treated as Third Declension nouns, are commonly latinized as Second Declension nouns, e.g. Taylorius, gen.sg. Taylorii, rather than Taylor, gen.sg. Tayloris” STEARN; Mylia taylorii.

. Victor,-oris (s.m.III), abl.sg. victore. NOTE: not robur,-oris, (s.n.III), abl.sg. robore: hard wood, oak, oak-wood; strength.

NOTE: the ending –or in the nom.sg. = masc./fem. sg. indicates the comparative degree of many Latin adjectives; e.g. latus,-a,-um (adj.A), wide > latior,-oris wider; angustus,-a,-um (adj.A) = masc./fem. sg. > comparative angustior,-oris.