tekˈtōrədə̇n noun
( -s )
Etymology: tector um (specific epithet of Iris tectorum ) (from Latin, gen. plural of tectum roof, house, building) + -idin — more at tectum
: a crystalline isoflavone glucoside C 22 H 22 O 11 found especially in the rhizomes of an Asiatic iris ( Iris tectorum )