restudy

verb

examine closely or learn again

Wiktionary

verb

Etymology: Etymology tree Proto-Italic *wre- Latin re-der. Old French re-bor. Middle English re- English re- Proto-Indo-European *(s)tew- Proto-Indo-European *(s)tewd- Proto-Italic *studēō Latin studeō Latin studiumbor. Old French estudie Proto-Italic *-āzi ▲ Latin -ereinflu. Latin -āre Old French -er Old French estudierbor. Middle English studien English study English restudy From re- + study.

To study again.