The story
- Proto-Indo-European · derived from*(s)plei-“to divide, split, splice”
- Proto-Germanic · inherited from*flainaz“fork-point, prong, hook, spear-tip”
- Old English · inherited fromflān“barb, arrow, javelin, dart”
- Middle English · inherited fromflon
- English todayflone
From Middle English flon, flone, flan, from Old English flān (“barb, arrow, javelin, dart”), from Proto-Germanic *flainaz (“fork-point, prong, hook, spear-tip”), from Proto-Indo-European *(s)plei- (“to divide, split, splice”). Cognate with Icelandic fleinn (“thorn, arrow, dart, pike, fluke”).
Etymology from Wiktionary, CC BY-SA 4.0.