Ablative absolute

абсолютный аблатив (синтаксическая конструкция в латыни)

Большой англо-русский словарь

Ablative absolute

noun a construction in Latin in which a noun or pronoun and its adjunct both in the ablative case form together an adverbial phrase expressing generally the time, cause, or an attendant circumstance of an action

Merriam-Webster's Collegiate Dictionary