kén

Preposition

 * 1) until

Etymology
hu

Noun

 * 1) sulfur, sulphur (chemical element)

Declension
Aside from the primary form, the accusative might also be as well (optionally) among chemists.

Etymology 1
.

Noun

 * 1)  a cocoon

Etymology 2
.

Verb

 * 1) to select (carefully, according to certain criteria); to choose; to pick