Meaning

adjective closely constrained or constricted or constricting

adjective pulled or drawn tight

adjective set so close together as to be invulnerable to penetration

originFrom Middle English tight, tyght, tyȝt, tiht, variants of thight, thiht, from Old English *þiht, *þīht (attested in meteþiht), from Proto-West Germanic *þį̄ht(ī), from Proto-Germanic *þinhtaz, from Proto-Indo-European *tenkt- (“dense, thick, tight”), from Proto-Indo-European *ten- (“to stretch, pull”). Cognate with Scots ticht, West Frisian ticht, Danish tæt, Icelandic þéttur (“dense”), Norwegian…

Etymology from Wiktionary, CC BY-SA 3.0