Acrimony

Chamber's Etymological of the English Language · 1895 · p. 16

ak'ri-muiM, n. bitterne of feeling or language. (L. aernnanta- -acer, sharp.] Acrobat, ak'ro-bat, n a rope-dancer a tumbler a vaulter. — adj. Acrobat'ic [Gr. akrobateii, to walk on tiptoe—a kron, the top, and baino, to go