doctrine, hath been taught

Dictionary of Biblical Words:

—Teaching. False doctrine is teaching, that which is contrary to Scripture.

Strong’s Dictionary of Greek Words:

Number:
1322 (find all occurrences in KJV Bible)
Greek:
διδαχή
Transliteration:
didache
Phonic:
did-akh-ay’
Meaning:
from 1321; instruction (the act or the matter)
KJV Usage:
doctrine, hath been taught