ἀντιπαρέχειν
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
Greek > English (Woodhouse Verbs Reversed)
(see also ἀντιπαρέχω): supply in return
Lexicon Thucydideum
vicissim praebere, to afford in turn, 6.21.1.