suru verb (precursor)
combine with; serve as both; hold an additional post; use with
Classical verb (サ変) used in pre-modern Japanese; corresponds to modern 兼ねる (かねる). Appears in historical texts and classical grammar contexts.
古典では「兼す」は「かねる」の古い形として使われた。
In classical texts, 兼す was used as the older form of かねる.
「兼す」はサ変動詞で、現代語の「兼ねる」に相当する。
兼す is a sa-hen verb and corresponds to modern 兼ねる.