English
trijunction
From tri- + junction.
Proto-Indo-European *yewg- ‘to join, to yoke, to tie together’
Proto-Indo-European *yunégti ~ *yungénti
Proto-Italic *jungō ‘to join’
Latin iungō ‘join, attach together’
Latin iūnctiō ‘union, joining, uniting’
English junction
Today it means
noun A junction where three things meet.
Language periods are conventional ranges, not dates for this word.
Etymograph / trijunction