εἶτα ὁ γνώμων μοί πως ἀνίσταται → then my tool suddenly stood up
cedrostis: acc. cedrostim, f., = κέδρωστις,I one of the names of the white vine, Plin. 23, 1, 16, § 21.
cĕdrōstis, is, f. (κέδρωστις), couleuvrée blanche [plante] : Plin. 23, 21.