English
longheaded
From long + headed.
Proto-Indo-European *dlongʰos ‘long’
Proto-Germanic *langaz ‘long’
Proto-West Germanic *lang ‘long’
Old English lang ‘long, tall, lasting’
Middle English long
English long
Today it means
adj Having unusual foresight or sagacity.
Language periods are conventional ranges, not dates for this word.
Etymograph / longheaded