forth S2 / fɔθ $ fɔrθ / 副词

1 and so forth used to refer to other things of the type you have already mentioned, without actually naming them 同义词 et cetera :

She started telling me about her bad back, her migraines, and so forth.

2 [ only after 动词 ] formal going out from a place or point, and moving forwards or outwards :

The house was still burning, pouring forth thick black smoke.

→ back and forth at back 1 ( 11 ) , → hold forth at hold 1 , → put forth at put , → sally forth at sally 2 , → set forth at set 1