Dutch word nonchalant comes from Latin non (Not.), French nonchaloir ((dated, or, poetic) indifference; nonchalance.), French chaloir, Latin calere, Old French non-
| Dictionary entry | Language | Definition |
|---|---|---|
| non | Latin (lat) | Not. |
| nonchaloir | French (fra) | (dated, or, poetic) indifference; nonchalance. |
| chaloir | French (fra) | (impersonal, literary) to be of import. (impersonal, reflexive) to heat. (impersonal, reflexive) to matter. |
| calere | Latin (lat) | |
| non- | Old French (fro) | |
| non | Old French (fro) | Not No. |
| chaloir | Old French (fro) | (impersonal, reflexive, se chaloir) to bother, to concern. To heat. |
| nonchaloir | Old French (fro) | Indifference; uncaringness To ignore; to pay little attention to. |
| nonchalant | French (fra) | Cool, relaxed. Marked by a lack of vivacity, vigour, liveliness; slow-moving; indolent. |
| nonchalant | Dutch (nld) | Careless, showing no interest or effort. |