Lexical Definition

‎καθό‎ kathó (kath-o') insofar as ^G:CONJ
from ‎κατά‎ and ‎ὅς‎

according to that, (inasmuch) as.

• according to which thing, i.e. precisely as, in proportion as

Abbott-Smith

καθό (= καθ’ ὅ), adv., [in LXX: Le 9:5, 15 (אֲשֶׁר), I Es 1:50, Si 16:20, Ba 1:6, II Mac 4:16*;]
as, according as: Ro 8:26, II Co 8:12, I Pe 4:13.†

Abbott-Smith References

Liddell-Scott-Jones

καθό,

adverb for καθ᾽ ὅ (which should perhaps be written), in so far as, according as, [NT+5th c.BC+]in respect of.., [Refs 1st c.BC+]

__II wherefore, [Refs 5th c.BC+]

_{LSJ Scripture Refs: 2Cor.8.12}