hagkvæman
Hagkvæman is accustive singular masculine form of the Icelandic adjective hagkvæmur, meaning economical or cost‑effective. The word describes something that offers good value for money or uses resources efficiently. As a grammatical form, hagkvæman is used to modify a masculine noun in the accusative case, for example in a sentence like “Hann kaupir hagkvæman bíl” (He buys an economical car).
Etymology and related forms: hagkvæmur is a native Icelandic adjective; its related noun is hagkvæmni, which
Usage and nuance: In Icelandic, hagkvæmur carries connotations of prudent financial choice as well as efficient
See also: hagkvæmni, hagkvæmari, hagkvæmasta, hagræði, kostnaður, særrænar en. For further reading, Icelandic dictionaries and style