(prep. with abl.), with, 1.74, et al. With personal pronouns mē, tē, sē, etc., it is suffixed; as mēcum, tēcum, etc.; and usually with the relative; as quōcum, quibuscum, etc. In composition the archaic form com- is employed instead of cum; remaining unchanged before b, m, p; changed to con- before l, cor- before r, co- generally before vowels, h, and gn; and before all other letters, con-.
Full Lasla Lemma