Luke 4:19ἐνιαυτὸν
to proclaim the year of the Lord’s favor.”
John 11:49ἐνιαυτοῦ
But one of them, named Caiaphas, who was high priest that year, said to them, “You know nothing at all!
Acts 11:26ἐνιαυτὸν
and when he found him, he brought him back to Antioch. So for a full year they met together with the church and taught large numbers of people. The disciples were first called Christians at Antioch.
Galatians 4:10ἐνιαυτούς
You are observing special days and months and seasons and years!
Hebrews 9:7ἐνιαυτοῦ
But only the high priest entered the second room, and then only once a year, and never without blood, which he offered for himself and for the sins the people had committed in ignorance.
James 4:13ἐνιαυτὸν
Come now, you who say, “Today or tomorrow we will go to this or that city, spend a year there, carry on business, and make a profit.”

Abbott-Smith

ἐνιαυτός, -oῦ, ὁ
[in LXX for שָׁנֶה ;]

1. prop., a cycle of time.

2. = ἔτος, a year: Jhn.11:49, 51 18:13, Act.11:26 18:11, Jas.5:17, Rev.9:15; pl., of sabbatical years, Gal.4:10; ποιεῖν ἐ., to spend a year, Jas.4:13;ἅπαξ τοῦ ἐ., Heb.9:7; κατ᾽ ἐ., Heb.9:25 10:1, 3; ἐ. δεκτόν, Luk.4:19 (LXX).†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.