Latin word credo comes from Proto-Indo-European *ḱr̥d-, Proto-Indo-European *dʰeh₁-, and later Proto-Italic *krezdō (To believe.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ḱr̥d- | Proto-Indo-European (ine) | |
| *dʰeh₁- | Proto-Indo-European (ine) | |
| *ḱred dʰeh₁- | Proto-Indo-European (ine) | to place one's heart, i.e. to trust, believe |
| *krezdō | Proto-Italic (itc-pro) | To believe. |
| credo | Latin (lat) | (with accusative or dative) to believe, to trust in, to give credence to.. I commit, consign, entrust to.. Confide in, have confidence in. |