What does καθαρός · καρδία mean in the Bible?
καθαρός · καρδία is a Greek phrase meaning "pure in heart, inwardly clean".
Greek · G2513, G2588
καθαροὶ τῇ καρδίᾳ
Clean (literally or figuratively) · heart
Reading a lexicon entry
What this page is: Each lexicon entry shows the original Hebrew or Greek word behind the English translation: its meaning, its range of use, and where it appears in Scripture.
Strong's number: The Strong's code (H- or G-) is the standard reference number for this word. It connects this entry to chapter and passage language tabs.
Where it appears: The witness passages show where this word is used in context. Click any to open the study page for that passage.
This lexicon entry is part of our ongoing editorial review. If you notice missing content, unclear wording, or a possible correction, please send us a note through theConnect page. Screenshots are helpful.
Words in this compound — expand to study each participant
καθαρόςG2513clean (literally or figuratively)
Pronunciationkatharós
Purity spanning physical cleanliness through ceremonial requirements to moral/spiritual integrity of heart and conscience.
Open lexicon entry →καρδίαG2588heart
Pronunciationkardía
Seat of the whole inner person—thought, emotion, will, and moral condition, not mere feeling
Open lexicon entry →What does καθαροὶ τῇ καρδίᾳ (katharoi tē kardia) mean in the Bible?
καθαρός · καρδία is a Greek phrase meaning "pure in heart, inwardly clean".
Full entry for καθαροὶ τῇ καρδίᾳ (G2513, G2588) · Open the biblical lexicon
Questions this entry answers
How many biblical occurrences are listed for G2513, G2588?
G2513, G2588 is connected to 26 lexical occurrence verses in the lexicon data.
Evidence Summary
Greek phrase. pure in heart, inwardly clean
Source Gloss
pure in heart, inwardly clean
Grammatical Forms
How this word appears across different grammatical cases and numbers.
This word appears as a noun across 10 case and number patterns. The form changes show how the word functions in a sentence; they do not change the basic lexical meaning by themselves.
Form patterns10Aligned forms26Case patternNominative (15)Number patternSingular (15)
Nominative · Plural · MasculineMatt 5:8 · John 13:10 · John 13:11 · John 15:34×
Nominative · Singular · NeuterMatt 23:26 · Titus 1:15 · Rev 21:18 · Rev 21:214×
Nominative · Plural · NeuterLuke 11:41 · Rom 14:20 · Titus 1:153×
Nominative · Singular · MasculineJohn 13:10 · Acts 18:6 · Acts 20:263×
Nominative · Singular · FeminineJas 1:271×
Genitive · Singular · Feminine1 Tim 1:5 · 2 Tim 2:222×
Dative · Singular · FeminineMatt 27:59 · 1 Tim 3:9 · 2 Tim 1:33×
Dative · Plural · MasculineTitus 1:151×
Dative · Singular · NeuterHeb 10:221×
Dative · Singular · MasculineRev 21:181×
Word Origins
καθαροὶ τῇ καρδίᾳ is of uncertain origin - no further derivation.