Ion
来自Big Physics
mid 19th century: from Greek, neuter present participle of ienai ‘go’.
wiktionary
From the ending of anion and cation, which in turn is from Ancient Greek ἰόν(ión, “going”), neuter present participle of εἶμι(eîmi, “I go”). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year.
From a reduction of I don't.
etymonline
ion (n.)
1834, introduced by English physicist and chemist Michael Faraday (suggested by the Rev. William Whewell, English polymath), coined from Greek ion, neuter present participle of ienai "go," from PIE root *ei- "to go." So called because ions move toward the electrode of opposite charge.
