agnus castus


agnus castus
\\|agnəˈskastəs\ noun (plural agnus castuses)
Etymology: Middle English, from Latin, by folk etymology (influence of Latin agnus lamb & castus chaste) from Greek agnos (confused with hagnos chaste, holy), perhaps of Semitic origin; akin to Hebrew 'āghan to remain closed in or hidden — more at caste
: an ornamental shrub (Vitex agnus-castus) having blue or white flowers and fruit that has been used as a stimulant and carminative — called also chaste tree

Useful english dictionary. 2012.