ἐγκαινίζω (T WH ἐνκαινίζω, see ἐν, III 3): 1 aorist ἐνεκαινισα; perfect passive ἐγκεκαινισμαι; a word exclusively Biblical and ecclesiastical (Winers Grammar, 33); to innovate, i. e.:

1. to renew: 2Ch 15:8.

2. to do anew, again: σημεῖα, Sir 33:6 (Sir 36:6).

3. to initiate, consecrate, dedicate, (Deu 20:5; 1Ki 8:63; 1Sa 11:14, etc.): διαθήκην, Heb 9:18; ὁδόν, Heb 10:20.

STRONGS NT 1457a: ἐγκακέωἐγκακέω, ἐγκάκω ((see below); 1 aorist ἐνεκάκησα; (κακός); (properly, to behave badly in; hence) to be weary in anything, or to lose courage, flag, faint: adopted by L T Tr WH in place of R G ἐκκακέω (which see) in Luk 18:1; 2Co 4:1; 2Co 4:16; Gal 6:9; Eph 3:13; 2Th 3:13 — except that T WH write ἐνκακέω in Luk 18:1; Gal 6:9; Eph 3:13; so WH in 2Th 3:13, also; see ἐν, III. 3; (cf. Tdf.’s note on 2Co 4:1; Meyer ibid., who thinks that ἐκκακέω may have been a colloquial form. See the full exhibition of the usage of the manuscripts given by Dr. Gregory in his Proleg. to Tdf. edition 8, p. 78.) (Found a few times in Symm. (Gen 27:46; Num 21:5; Isa 7:16; also Pro 3:11 Theod.); Clement of Rome, 2Co 2:1-17; 2Co 2:1-17 [ET]; in secular writings only in Polybius 4, 19, 10 τό πέμπειν τάς βοηθείας ἐνεκακησαν they culpably neglected to send aid (add Philo de confus. lingg. § 13 (Mang. i., 412, 36) οὐκ ἐκκακουμενος; ἐκναμφθην.)