Stoa
A portico or covered colonnade could be called an arch.
Very high on the list of words I only know because of crosswords: the answer is "stoa".
A four letter word meaning not kosher is: tref
The word pine can have that meaning.
A four-letter word for cooking fat is "lard".
It is a Turkish word, Koshk, meaning 'open pavilion' or 'portico'. Adopted into English as the Telephone Kiosk
into
stop or halt is a four letter word meaning the opposite of go.
A four letter word meaning the foundation of something is base.
Rend is a four letter word that means to tear into pieces. Tear is also a four letter word meaning to pull apart.
A four letter word meaning to grow light as the sun rises is dawn.
Wash is a four letter word meaning "to clean with water".