Jonasen.
a surname originating as a patronymic, originally meaning “son of Jonas”
Meaning & usage
a surname originating as a patronymic, originally meaning “son of Jonas”
Where this word comes from
From Jonas (“male given name”) + -sen (“patronymic suffix meaning “son of””), with simplification of adjacent ⟨ss⟩ to ⟨s⟩, originally a patronymic meaning “son of Jonas”. Compare Danish Jonassen and Swedish Jonasson (“patronymic surnames”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.