junction (n.) Look up junction at Dictionary.com
1711, "act of joining," from Latin iunctionem (nominative iunctio) "a joining, uniting," noun of action from past participle stem of iungere "to join together," from nasalized form of PIE root *yeug- "to join." Meaning "place where two or more things come into union or are joined" first attested 1836, American English, originally in reference to railroad tracks.