preclinical

adj

Etymology: Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- Proto-Indo-European *ḱel- Proto-Indo-European *-éyti Proto-Indo-European *ḱley- Proto-Indo-European *-né- Proto-Indo-European *ḱl̥néyti Proto-Hellenic *klíňňō Ancient Greek κλῑ́νω (klī́nō) Ancient Greek -ᾱ (-ā) Ancient Greek -η (-ē) Ancient Greek κλῑ́νη (klī́nē) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek κλῑνῐκός (klīnĭkós)bor. Late Latin clīnicus French cliniquebor. English clinic Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English clinical English preclinical From pre- + clinical.

1. Describing the period of a disease before any symptoms appear
2. Describing a test or trial of a new pharmaceutical on animals (or in vitro) rather than on humans