From Middle English stay, from Old English stæġ (“stay, a rope supporting a mast”), from Proto-West Germanic *stag, from Proto-Germanic *stagą (“stay, rope”), from Proto-Indo-European *stek-, *stāk- (“stand, pole”), from Proto-Indo-European *steh₂- (“to stand”). Cognate with Dutch stag (“stay”), German Stag (“stay”), Swedish stag (“stay”), Icelandic stag (“stay”).