קִדָּהqiddâh

קִדָּה: a spice, usually cassia (Ezekiel 27:19; Exodus 30:24)

Pronunciation: kid-daw' · Hebrew/Aramaic (Old Testament) · H6916

Meanings

קָדַח: be kindled, kindle

Qal

1. be kindled (Deuteronomy 32:22; Jeremiah 15:14; Jeremiah 17:4)

2. kindle (Isaiah 64:1; Isaiah 50:11)

Same root

קָדַדqâdad · H6915to shrivel up, i.e. contract or bend the body (or neck) in deference
אֶקְדָּחʼeqdâch · H688burning, i.e. a carbuncle or other fiery gem

Where it appears

Appears 2 times in the Bible.

Exodus 30:24 and 12 1⁄2 pounds of cassia—as measured by the weight of the sanctuary shekel. Also get one gallon of olive oil.
Ezekiel 27:19 Greeks from Uzal came to trade for your merchandise. Wrought iron, cassia, and fragrant calamus were bartered for your wares.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).