sef.
rush (plant of the genus Juncus)
Meaning & usage
rush (plant of the genus Juncus)
Where this word comes from
From Old Norse sef, possibly borrowed from Old Irish simin, sibin(n), from Proto-Indo-European *sem-ino?. Otherwise from Proto-Germanic *seba-, which would suggest an irregular, non-Indo-European substrate root alternation *seb-, *sem-, similar to sandr. According to Pokorny, ultimately from Proto-Indo-European *seyb- (“to pour, leak, trickle”).
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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.