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ion – ион (др.- греч. ἰόν — идущее) — электрически заряженная неэлементарная частица (атом, молекула, свободный радикал) ion (n.) (понятие введено Фарадеем); из греческого «ἰόν» - идущее, причастие настоящего времени от «εἶμι» - иду, «ίεναι» - идти; из PIE корня *ei- (1) - 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- (1) "to go, to walk." So called because ions move toward the electrode of opposite charge.
The root is an enormously productive one, the source also of Greek eimi "I go;" Latin ire "to go," iter "a way;" Old Irish ethaim "I go;" Irish bothar "a road" (from *bou-itro- "cows' way"), Gaulish eimu "we go," Gothic iddja "went," Sanskrit e'ti "goes," imas "we go," ayanam "a going, way;" Avestan ae'iti "goes;" Old Persian aitiy "goes;" Lithuanian eiti "to go;" Old Church Slavonic iti "go;" Bulgarian ida "I go;" Russian idti "to go."
Другими словами – гр. ίεναι, εἶμι – гон, гоню, см. «go», лат. «ire» - шел, ШЛ – SL – (S) R, «iter» - ход или иду, замена «д» - «t», «ити»
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