cir·cum·fuse 
(sûr′kəm-fyz)
(sûr′kəm-fyz)tr.v. cir·cum·fused, cir·cum·fus·ing, cir·cum·fus·es
1. To pour or diffuse around; spread.
2. To surround, as with liquid; suffuse.
[Latin circumfundere, circumfūs- : circum-, circum- + fundere, to pour; see gheu- in the Appendix of Indo-European roots.]
cir′cum·fusion n.