Word: underway
Part of speech: Adverb
Syllables: un
der
way
Definition: In motion, in progress; being done or carried out; on a journey.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: way
Language: en
PoS: Verb
Meaning: To travel.