hreinsa

== Icelandic == === Etymology === From Old Norse hreinsa, from Proto-Germanic *hrainisōną. === Verb === hreinsa (weak verb, third-person singular past indicative hreinsaði, supine hreinsað) to clean, to cleanse [with accusative] Synonym: þrífa (e.g. of oil or air) to refine, to purify [with accusative] Að hreinsa olíu. ― To refine oil. Hreinsað loft. ― Purified air. Hreinsaðar olíuvörur. ― Refined petroleum products. ==== Derived terms ==== ==== Related terms ==== == Old Norse == === Etymology === From Proto-Germanic *hrainisōną (“clean, cleanse, purify”). === Verb === hreinsa to make clean, cleanse to purge, clear ==== Conjugation ==== ==== Derived terms ==== hreinsan f (“cleansing”) ==== Related terms ==== hreinn (“clean”) ==== Descendants ==== === Further reading === Zoëga, Geir T. (1910), “hreinsa”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press; also available at the Internet Archive