Acceleration

Chamber's Etymological of the English Language · 1895 · p. 1
ak-sel-er-iShun, n. the act 0/ haste nmg increase ot speed. Accelarative, ak-sei'er-at-iv. adj. quickening. Accent, ok's ent, modulation 01 ilie voice stre on a syllable or woid a mark used to direct this stre : in poetry, language, words, or expre ions in general. L, accent us, a tone or note ad. to, lano, to sing.]
Readham'da tam maddeyi gor →