before the present time; formerly.
long ago; formerly
[urst-hwahyl, -wahyl] /ˈɜrstˌʰwaɪl, -ˌwaɪl/ adjective 1. former; of times past: erstwhile friends. adverb 2. Archaic. formerly; . /ˈɜːstˌwaɪl/ adjective 1. former; one-time: my erstwhile companions adverb 2. (archaic) long ago; formerly adv. 1560s, from Middle English erest “soonest, earliest,” from Old English ærest, superlative of ær (see ere) + while. As an adjective from 1903. […]
1. estrogen replacement therapy. earth Relative Time estrogen replacement therapy
[er-tey] /ɛrˈteɪ/ noun 1. (Romain de Tirtoff) 1892–1990, French illustrator and designer, born in Russia. /ɛrte/ noun 1. real name Romain de Tirtoff. 1892–1990, French fashion illustrator and designer, born in Russia, noted for his extravagant costumes and tableaux for the Folies-Bergère in Paris
[er-tuh-bol-uh, -buhl-uh] /ˌɛr təˈbɒl ə, -ˈbʌl ə/ adjective 1. of, relating to, or characteristic of a late Mesolithic culture of the western Baltic coast associated with kitchen middens and having pottery in its later phases.