kein

Cognate with Welsh cefn (“back”), Cornish keyn (“back”), Gaulish Cebenna (“ridge, height”) (whence French Cévennes), ultimately from Proto-Celtic *kebno- (“back”).

• IPA^(key): /ˈkɛjn/

kein m (plural keinoù)

1. back (the rear of body)

From Middle High German kein, from the merger of Middle High German dechein, dehein ("someone; anyone", from Old High German dehein) and Middle High German nechein, nehein ("not any", from Old High German nihein). More at none.

• IPA^(key): /kaɪ̯n/

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• Rhymes: -aɪ̯n
• Homophone: Kain
• Homophone: keinen (according to a common pronunciation of this form)

kein

1. no; not a(n); not one; not any

   Das ist kein Bett. — “That is not a bed.” (Compare with: “That is no bed.”)

The declension pattern for kein follows that of ein (“a”) and the possessive determiners, as does the declension of adjectives that follow kein. For the most part, the adjectives decline like those that appear after the definite article (the so-called weak declension pattern for German adjectives). However, kein lacks a masculine marker in the nominative case and a neuter marker in the nominative and accusative cases. Accordingly, adjectives following that plain form take an -er or -es to indicate the gender:

• keiner

• kein in Duden online

From Old Frisian *kēne, from Proto-Germanic *kōniz (“brave”).

• (Clay) IPA^(key): /kai̯n/
• (Wood) IPA^(key): /kɛi̯n/

kein

1. pretty, charming
2. chaste

• “kein”, in Wurdboek fan de Fryske taal (in Dutch), 2011