[arbitrō], [1489].

[arbor] (arbōs), form of, [154];

decl. of, [489], [491];

gender of, [575], [576].

[arceō],

prin. parts of, [1006];

compounds of, [1006].

[arcēssō] (accersō), perf. of, [870];

forms of, [970].

[arcus],