Word: erstwhile
Part of speech: Adjective
Syllables: erst
while
Definition: Former, previous.
Morphemes:
Affix: ere
Language: en
PoS: Adverb
Meaning: At an earlier time.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.
Affix: while
Language: en
PoS: Conjunction
Meaning: During the same time that.