once (in the indeterminate past)

olden days; former

use one thing for many purposes / work someone hard

to use one's head

(taxonomy) subfamily

ranking next, coming after, sub- / Short for アジア／亜細亜 (Ajia, “Asia (a continent)”). / (obsolete) Short for アメリカ／亜米利加 (Amerika): America, the United States / Alternative spelling of 堊 (a): white earth

rank / follow / sub- prefix

(chemistry) indicates a lower oxidation number: -ous

a female given name

just as in the old days, just as it used to be