A disannulling (athetēsis). Late word from atheteō (alpha privative and tithēmi), to set aside (Mar 6:26), in N.T. only here and Heb 9:26. Common in the papyri in a legal sense of making void. Involved in metathesis (change in Heb 7:12).
Foregoing (proagousēs). Present active participle of proagō, to go before (1Ti 1:18).
Because of its weakness (dia to autēs asthenes). Neuter abstract adjective with article for quality as in Heb 7:7 with dia and accusative case for reason.
Unprofitableness (anōpheles). Old compound (alpha privative and ophelos) useless, and neuter singular like asthenes. In N.T. only here and Tit 3:9.