Word: timeproof
Part of speech: Adjective
Syllables: time
proof
Definition: Resistant to the passage of time; enduring, immortal.
Morphemes:
Affix: time
Language: en
PoS: Verb
Meaning: To keep or beat time; to proceed or move in time.
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.