The word "forthleap" is spelled as /fɔθliːp/. It is a compound word in which "forth" means forward or onward movement, and "leap" means a sudden jump or movement. Therefore, "forthleap" refers to a sudden and swift move forward. The phonetic transcription suggests that the "th" sound is pronounced followed by a long "e" sound in the first syllable. The second syllable is pronounced with a short "i" sound followed by a long "e".