Lewis & Short

per-commŏdus, a, um, adj., very suitable, very convenient, very opportune: alicui rei, Liv. 22, 43, 11.
Adv.: percom-mŏdē, very suitably, very conveniently, very well: percommode accidit, quod, etc., Cic. Caecin. 27, 77: percommode factum est, quod, etc., id. Tusc. 4, 30, 64: hoc percommode cadit quod, etc., id. Verr. 1, 2, 5.