Radical 口
7 strokes
calf
(137a) + mouth 口 (5) = inform 告
[告别 (79) gàobié to part with]

(The cattle are all falling sick — only a calf is left standing) the calf goes to the mouth of the cave to inform the vet. / The dwarf assistant listens to the symptoms and says dismissively, “All this fuss, it’s probably only gout.”