algkeel

== Estonian == === Etymology === From alg- +‎ keel. === Noun === algkeel (genitive algkeele, partitive algkeelt) proto-language ==== Declension ==== ==== Derived terms ==== === Further reading === algkeel in Sõnaveeb (Eesti Keele Instituut) “algkeel”, in [EKSS] Eesti keele seletav sõnaraamat [Descriptive Dictionary of the Estonian Language] (in Estonian) (online version), Tallinn: Eesti Keele Sihtasutus (Estonian Language Foundation), 2009