Quick Definition
ὀκταήμερος, ον Adj belonging to the eighth day
Strong's Definition
from 3638 and 2250; an eight-day old person or act
KJV Usage: the eighth day
UBS Dictionary of the Greek New Testament
adjc. | -ον | ὀκτώ + ἡμέρα
67.182 · Time · Definite Units of Time: Year, Month, Week, Day, Hour
on the eighth day pertaining to taking place on the eighth in a series of days Since in NT times the counting of days involved numbering both the first and the last day in a series, ὀκταήμερος may be rendered as ‘a week later’ or ‘seven days later.’ Compare ἡμέραι ὀκτώ ‘eight days’ (LUK 2:21) as being equivalent to one week; see discussion at 60.17.
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ὀκταήμερος, -ov, (ὀκτώ, ἡμέρα), eight days old; passing the eighth day: περιτομῇ [οἴ. W. § 31,6 a.; B. § 133, 21; but Ree. -μή] ὀκταήμερος. circumcised on the eighth day, Phil. iii. 5; see τεταρταῖος : [‘the word denotes prop. not interval but duration’ (see Bp. Lghtft. on Phil l.c.). Graec. Ven. Gen. xvii. 12; eccl. writ.].
Mounce Concise Greek Dictionary
ὀκταήμερος oktaēmeros 1x
on the eighth day, Phil. 3:5*
Abbott-Smith Greek Lexicon
*† ὀκταήμερος, -ον
(< ὀκτώ, ἡμέρα),
of the eighth day, eight days old: c. dat. ref., περιτομῇ ὀ., Phl 3:5 (words of this class denote duration, cf. τεταρταῖος).†
Moulton & Milligan — Vocabulary of the Greek NT
ὀκταήμερος, “eight days old” (Phil 3°). see Moulton G7. ii. p. 176. On the form of the word
Liddell-Scott-Jones — Greek-English Lexicon
ὀκταήμερος (oktaēmeros) — eighth day. ὀκτα-ήμερος, ον, eight days old, [NT]