Where does “perijunction” come from?

perijunction (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.

Ancestry of “perijunction”, step by step

perijunction 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 peri

StepLanguageWordMeaning
1EnglishperiA sprite or supernatural being
2Ottoman Turkishپریfairy
3Persianپریsprite or supernatural being in Iranian/Persian...
4Persianپرfull; feather; wing
5Middle Persianpurr
6Proto-Iranianpr̥Hnáhfull, filled
7Proto-Indo-Iranianpr̥Hnásfull, filled
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill
Every word from Ancient Greek χάλιξ