com-
Pronunciation: /kɒm, kəm/
(also co-, col-, con-, or cor-)
Definition of com-
prefix
Origin:
from Latin cum 'with'
Com- is used before b, m, p, also occasionally before vowels and f. The following variant forms occur: co- especially before vowels, h, and gn; col- before l; cor- before r; and con- before other consonants.