ǯawf- - hollow, void space; interior of a house; belly
(BK 1 357, Lane 487)
ǯīfat- ‘corpse, carrion, especially in putrefaction’ (BK 362) — < *ǯiwf(-at)-, where ī cannot be explained from Sem. *gawp-. Cf. also ǯyf ‘to exhale a fetid odor (said of a corpse)’ (BK 362).
PWS
*gawp- - chest and abdominal cavities of body/ corpse
(SED I No. 100)