Etymograph

English

single-hearted

From single + hearted.

A compound of single + hearted

Proto-Indo-European *sem- ‘one’

Latin singulus ‘one each’

Old French sengle

Middle English single

English single

Middle English herte

Middle English herted ‘having a specified disposition, emotion, or…’

English hearted

Today it means

adj Having an honest heart; straightforward, free from duplicity.

Sources

Sources: Wiktionary, “single-hearted”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / single-hearted

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