G3513
νή
as surely as
νή particle of affirmation employed in oaths, [in LXX: see τ. ὑγίειαν, Gen.42:15-16 (חַי) * ;] by: with accusative, 1Co.15:31.† (AS)
The KJV translates G3513 in the following manner:
by (2x)
Full Thayer's lexicon entry
νή — nḗ
νή, a particle employed in affirmations and oaths (common in Attic), and joined to an accusative of the person (for the most part, a divinity) or of the thing affirmed or sworn by (Buttmann, § 149, 17); by (Latinper, German bei): 1Co 15:31 (Gen 42:15 f).
1 occurrence