Treadboard

Meaning

Noun

●

In Architecture:

A

to take a person's

; a

of a staircase.

Sourced from

Origin

treadboard

English

board

English

bord

Middle English (1100-1500)

tread

English

treden

Middle English (1100-1500)

tredan

Old English (ca. 450-1100)

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