altern adjective & adverb.
[ɒl'tǝ:n; 'ɔ:ltǝn, -tǝ:n] arch. L16.[Latin alternus every other, from alter other. Cf. French alterne.]A. adjective. Alternate, alternating.
L16.b. adverb. In turns, one after the other.
M17. [TahlilGaran] English Dictionary ▲