Origin: Latin suffix -ous
Spurious has 5 different meanings across 1 category:
born out of wedlock
"the dominions of both rulers passed away to their spurious or doubtful offspring"
False, not authentic, not genuine.
"The detective quickly realized that the signature on the letter was spurious and had been forged by a criminal."
The word comes from the Late Latin spurius, which meant "illegitimate" or "bastardly." Its exact origin is uncertain, though it may be related to the verb sperno or derived from the Etruscan language.