[1] The headword is aorist subjunctive of para/gw, second person singular, from the Sophoclean quotation which follows; the gloss comes from the scholia there.
[2] Sophocles, Electra 854-7, here slightly abridged and with certain textual departures from the most commonly accepted readings, producing a subtly different meaning. See the comments of Jebb ad loc. on the textual issues (web address 1).