fidelity etymology

English word fidelity comes from Proto-Indo-European *bʰidʰ-, and later Latin fidelitas (Faithfulness, fidelity.)

Detailed word origin of fidelity

Dictionary entryLanguageDefinition
*bʰidʰ- Proto-Indo-European (ine-pro) to command, pot, bucket, barrel
fidere Latin (lat)
fidem Latin (lat)
fidelis Latin (lat) Faithful, loyal. True, trustworthy, dependable A confidant, trustworthy person.
fidelitas Latin (lat) Faithfulness, fidelity.
fidélité Middle French (frm)
fidelity English (eng) Accuracy, or exact correspondence to some given quality or fact.. Faithfulness to one's duties.. Loyalty to one's spouse or partner, including abstention from extramarital affairs (except in an open marriage).. The degree to which a system accurately reproduces an input.

Words with the same origin as fidelity

Descendants of *bʰidʰ-
affidavit bad bid confide confident confidential defiant defy egg eggplant faith faithful faithfully