Declension of the Latin present participle in connection with its syntactico-semantic use

Abstract This paper deals with the declension of the Latin present active participle (ppa), which shows several inconsistencies: the ablative singular for instance may end in -e or in -i (sapiente, sapienti) and the genitive plural may end in -um or -ium (sapientum, sapientium). Some grammarians, notably modern ones, assume that there are syntactico-semantic considerations or circumstances, leading to ablative -e ending when verbal force is intended (such as in the ablative absolute) or substantival force, and to -i ending when there is nominal, notably adjectival force. I have investigated whether ancient, medieval and modern grammarians treat such a phenomenon. In addition, I looked for inconsistencies in the grammarian’s own ppa declension from this syntactico-semantic point of view. It turns out that ancient and medieval grammarians do not formulate declension of the ppa according to its syntactico-semantic function, with the exception of the anonymous author of the Ars Ambrosiana, nor do they decline their own ppa’s according to a conventional rule of this kind. This calls for other explanations regarding the declensional inconsistencies observed. Some of the ppa forms may reflect a temporary phenomenon which would have disappeared in due course through diachronic evolution and paradigm leveling. Some forms may have persisted because of their frequency and idiomatic force or because of the compelling analogy with other words and phrases. But these ppa declensional variations do not appear to conform to a syntactico-semantic rule.