That thou art (se onta). Participle in indirect discourse after horō (I see).
In the gall of bitterness (eis cholēn pikrias). Old word from cholas either from cheō, to pour, or chloē, yellowish green, bile or gall. In the N.T. only in Mat 27:34 and here. In lxx in sense of wormwood as well as bile. See Deu 29:18 and Deu 32:32; Lam 3:15; and Job 16:14. “Gall and bitterness” in Deu 29:18. Here the gall is described by the genitive pikrias as consisting in “bitterness.” In Heb 12:15 “a root of bitterness,” a bitter root. This word pikria in the N.T. only here and Heb 12:15; Rom 3:14; Eph 4:31. The “bond of iniquity” (sundesmon adikias) is from Isa 58:6. Paul uses this word of peace (Eph 4:3), of love (Col 3:14), of the body (Col 2:19). Peter describes Simon’s offer as poison and a chain.