15. ἐγένετο--verb, _came to be_, lit., _was born_;
from γίνομαι, (for γίγνομαι, strengthened [§ 63] by
reduplication, [§ 67,] and then contracted for γιγεν;) depon.,
§ 40; true root γεν, [our _kin_,] § 57, here appearing in 2d
aor. mid., § 48; ἐ is simple aug., (hence the verb is in the
indic., § 60;) third ε is mood-vowel, § 42; το is 3d
pers. sing. mid., § 49; agreement with subj., § 78.

16. χωρίς--prep., lit., _apart_; accent, § 5; case after,
§ 81.

17. οὐδέ--compound neg. particle, from οὐ and δε.

18. ἓv--numeral adj., § 36; indef., § 74; 3d
decl. nom. sing. neut., § 32; subj. of ἐγένετο.

19. ὃ--relative adj., § 39; 2d decl. nom. sing. neut., § 34;
agreement, § 73; subj. of γέγονε.

20. γέγονεν--verb, same as 15; root-vowel changed in
perf. mid., § 63; γε is reduplication, § 60; last ε is mood-vowel
of indic., § 42; no additional ending, § 44; hence 3d
pers. sing. (perf.) act., § 52; final ν added before pause, § 17.

21. αὐτῳ-- pron., same as 14; dat. sing. masc., § 30;
government, as 2.

22. ζωή --noun, 1st decl. fem. nom. sing., § 28; subject of verb
following.