Where does “Y-junction” come from?

Y-junction (English) comes from English junction, from Latin iūnctiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

Y-junction (English): A three-way intersection of routes shaped like a capital letter Y

Definitions

  1. A three-way intersection of routes shaped like a capital letter Y

Ancestry of “Y-junction”, step by step

Y-junction traces back through two separate lines of ancestry.

via English junction

StepLanguageWordMeaning
1EnglishjunctionThe act of joining, or the state of being joined;...
2Latiniūnctiōjoining, uniting
3Latin-tiōtion, -ation, -ing
4Latindissertātiō(spoken) dissertation, discourse, disquisition
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese
Every word from Ancient Greek χάλιξ