[f. Æol-us on analogy of female names like Carolina, -line; see -INE] (See quot.)
1876. Hiles, Catech. Organ, x. (1878), 73. Æoline, a delicate, free reed stop.
1879. A. J. Hipkins, in Grove, Dict. Music, I. 667. In 1818 Haeckel constructed a diminutive æoline as an instrument to be used with a pianoforte.
1879. E. Prout, ibid., I. 40/2. The æolina may be regarded as the first germ of the Accordion and Concertina.
