экономно означает в английский

sparingly▼(in a sparing manner)
adverb
[UK: ˈspeə.rɪŋ.li] [US: ˈspe.rɪŋ.li]

frugality [frugalities]▼(quality of being frugal; prudent economy; thrift)
noun
[UK: fruː.ˈɡæ.lɪ.ti] [US: fruː.ˈɡæ.lə.ti]

thrift▼(characteristic of using a minimum of something)
noun
[UK: θrɪft] [US: ˈθrɪft]