Meaning

noun any plant of the genus Canna having large sheathing leaves and clusters of large showy flowers

originBorrowed from translingual Canna, from Latin canna (“reed”), from Ancient Greek κᾰ́ννᾰ (kắnnă, “reed”), from Akkadian 𒂵𒉡𒌑𒌝 (qanûm). Cognates Biblical Hebrew קָנֶה (qané), Aramaic קַנְיָא (qanyā), Classical Syriac ܩܢܝܐ (qanya), and English canon, cannon, canal, and channel. Doublet of cane and kaneh.

Etymology from Wiktionary, CC BY-SA 3.0