forth (adv.)

Old English forð "forward, onward, farther; continually;" as a preposition, "during," perfective of fore, from Proto-Germanic *furtha- "forward" (source also of Old Frisian, Old Saxon forth "forward, onward," Old Norse forð, Dutch voort, German fort), from extended form of PIE root *per- (1) "forward." The construction in and so forth was in Old English.

updated on May 16, 2017

Definitions of forth from WordNet
forth (adv.)
from a particular thing or place or position (`forth' is obsolete);
go forth and preach
Synonyms: away / off
forth (adv.)
forward in time or order or degree;
from that time forth
Synonyms: forward / onward
forth (adv.)
out into view;
put my ideas forth
came forth from the crowd
Forth (n.)
a river in southern Scotland that flows eastward to the Firth of Forth;
Synonyms: Forth River
Etymologies are not definitions. From, not affiliated with etymonline.