Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* ăbĭga, ae, f. [abigo], a plant which has the power of producing abortion; Greek χαμαίπιτυς, ground-pine: Teucrium iva, Linn.; Plin. 24, 6, 20, § 29.