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Webster 1828 Edition
Threshhold
THRESH'HOLD
, n.1.
The door-sill; the plank, stone or piece of timber which lies at the bottom or under a door, particularly of a dwelling house, church, temple or the like; hence, entrance; gate; door.2.
Entrance; the place or point of entering or beginning. He is now at the threshhold of his argument. Many men that stumble at the threshhold.