συνεπιρρώννυμι

A. help to strengthen or support, τοὺς Ἕλληνας Plu. Alex. 33, cf. Brut. 49:—Pass., of language, to be based firmly at the same time on, τοῖς ὕψεσι Longin. 11.2.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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