Quick Definition
or of course
Strong's Definition
either indeed
Derivation: from G2228 (ἤ) and G5104 (τοί);
KJV Usage: whether
Thayer's Greek Lexicon
ἤτοι, see ἤ, 4 e.
Mounce Concise Greek Dictionary
ἤτοι ētoi 1x
whether, with an elevated tone, Rom_6:16
Abbott-Smith Greek Lexicon
ἤτοι ,
disjunct. part.,
whether: Rom_6:16 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἤτοι [page 282]
See. s.v. ἤ .
(cf. Strong's G2228 ἤ )
Liddell-Scott — Intermediate Greek Lexicon
ἤτοι = ἦ τοι, "now surely, truly, verily", Il. ; after ἀλλ᾽ εἰ . . , "nevertheless", id=Il. = ἤτοι, "either in truth", followed by ἤ, "or", Hdt. , etc.
STEPBible — Tyndale Abridged Greek Lexicon
1. = ἦ τοι, now surely, truly, verily , (Iliad by Homer); after ἀλλ᾽ εἰ . ., nevertheless , (Iliad by Homer)
2. = ἤτοι, either in truth , followed by ἤ, or , (Herdotus Historicus), etc. (ML)