köken: From Middle High German man(e)golt. Further origin unknown. A relation with the personal name below suggests itself phonetically, but is semantically nebulous.
köken: Inherited from Old East Slavic сеѵклъ (sevklŭ), via Byzantine Greek from Ancient Greek σεῦκλον (seûklon), as is Bulgarian цвекло́ (cvekló), Macedonian цвекло (cveklo), Serbo-Croatian ци̏кла / cȉkla, Slovak / Czech cvikla, Polish ćwikła, also Hungarian cékla and Romanian sfeclă. Hither belongs also the taxonomic Beta vulgaris var. cicla and Arabic سِلْق (silq).
köken: Etymology tree Proto-Indo-European *bʰleh₃-der. Proto-Indo-European *bʰolh₃yom? Proto-Indo-European *dʰelh₁-der. Proto-Indo-European *dʰolh₁yom? Proto-Italic *foljom Latin foliumbor. Esperanto folio Esperanto beto Esperanto folibeto From folio + beto.