Where does “causeth” come from?

Causeth comes from Middle English cause, from Old French cause, from Latin causa meaning "reason" or "occasion," ultimately from Proto-Indo-European roots denoting action or result.

causeth (English): third-person singular simple present indicative...

Definitions

third-person singular simple present indicative...

Ancestry of “causeth”, step by step

Step	Language	Word	Meaning
1	English	cause	The source of, or reason for, an event or action;...
2	Middle English	cause	cause
3	Old French	cause	cause
4	Latin	causa	cause, reason; case, claim, contention; motive,...
5	Old Latin	caussa	cause, reason, purpose; case, claim; Archaic form...
6	Proto-Indo-European	kawd-teh₂	—

Every word from Proto-Indo-European kawd-teh₂ →