Where does “extrajunctional” come from?

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

extrajunctional (English): Outside of a junction (typically, outside of a neuromuscular junction)

Definitions

  1. Outside of a junction (typically, outside of a neuromuscular junction)

Ancestry of “extrajunctional”, step by step

extrajunctional traces back through two separate lines of ancestry.

via English junctional

StepLanguageWordMeaning
1EnglishjunctionalOf, pertaining to, situated at, or operating at a...
2EnglishjunctionThe act of joining, or the state of being joined;...
3Latiniūnctiōjoining, uniting
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English extra

StepLanguageWordMeaning
1EnglishextraBeyond what is due, usual, expected, or...
2EnglishextraordinaryNot ordinary; exceptional; unusual; Remarkably...
3Latinextraordināriusextraordinary
4Latinōrdinem
5Middle Low Germanorden
6Latinōrdināre
7Latinōrdōa methodical series, arrangement, or order; regular line, row, or series
8Proto-Italicored(h)-to arrange
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-