- Original: κρούω - Transliteration: Krouo - Phonetic: kroo'-o - Definition: 1. to knock: at the door - Origin: apparently a primary verb - TDNT entry: 18:54,5 - Part(s) of speech: Verb - Strong's: Apparently a primary verb; to rap: - knock. Total KJV Occurrences: 2 • knocked, 1 Act 12:13 • knocking, 1 Act 12:16