Hence, under each declension, we have to notice how a root or a noun-stem of that declension is inflected when final member of an adjective compound.

a. As to accent, it needs only to be remarked here that a root-word ending a compound has the accent, but (320) loses the peculiarity of monosyllabic accentuation, and does not throw the tone forward upon the ending (except añc in certain old forms: 410).