† prosperatelyadv.
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin prosperātus , prosperāre , -ly suffix2.
Etymology: < classical Latin prosperātus, past participle of prosperāre prosper v. + -ly suffix2. Compare earlier prosperously adv.
Obsolete.
rare.
?1525 tr. G. Alexis A iijv Many hath offyces and good wages By women to lyue ryght prosperately.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online June 2020).