Word: weigheth
Part of speech: Verb
Syllables: weigh
eth
Definition: Third-person singular of weigh; to be oppressive or burdensome; 
Morphemes:
Affix: weigh
Language: en
PoS: Verb
Meaning: To have a certain weight.
Affix: -eth
Language: en
PoS: Suffix
Meaning: Used to form the third-person singular present indicative of verbs.