T / tŏnus
noun greek

tŏnus

gen. tŏni · gender masculine · decl. 2nd
The stretching; straining
The stretching, straining of a rope: mollior, vehementior, Vitr. 10, 10, 6. —
figuratively
the sound; tone; accent
Lit., the sound, tone, of an instrument, Vitr. 5, 4; Macr. Somn. Scip. 2, 1 med.; Mart. Cap. 9, § 959.—Of the tone of a syllable, accent, Nigid. ap. Gell. 13, 25, 1 sq.
by extension
tone
Like our tone, in painting, of the natural color of an object, Plin. 35, 5, 11, § 29.—
thunder
For tonitrus, thunder, Sen. Q. N. 2, 56, 1.