8 letters · 12 points in Scrabble
originBorrowed from Japanese 系列(けいれつ) (keiretsu, literally “system, series”), from Middle Chinese 繫 (ɣèj, “attached”) + 列 (ljet, “set, row”) (compare Mandarin 系列 (xìliè, “series, set”)).
Etymology from Wiktionary, CC BY-SA 3.0