noun, masculine/jɔd/
iodine (chemical element)
Etymology tree Pre-Greekbor. Proto-Hellenic *wion Ancient Greek ῐ̓́ον (ĭ́on) Proto-Indo-European *h₃ed- Proto-Indo-European *-yeti Proto-Indo-European *h₃édyeti Proto-Hellenic *óďďō Ancient Greek ὄζω (ózō) Ancient Greek -ώδης (-ṓdēs) Ancient Greek ῐ̓ώδης (ĭṓdēs)lbor. French iode Borrowed from Ancient Greek ῐ̓ώδης (ĭṓdēs, “violet-coloured”), so named for the colour of its vapour. Coined by French chemist and physicist Joseph Louis Gay-Lussac in 1812.