Where does “douter” come from?

douter (Middle French) comes from Middle French doubter, from Old French douter, from Latin dubitō, from Latin dubō, from Latin *dubos, from Indo-European *bʰuH-.

douter (Middle French): Alternative form of doubter

Definitions

Alternative form of doubter

Ancestry of “douter”, step by step

Step	Language	Word	Meaning
1	Middle French	doubter	to doubt
2	Old French	douter	Alternative form of doter
3	Latin	dubitō	to waver (in opinion), be uncertain, doubt, question, be in doubt
4	Latin	dubō	—
5	Latin	*dubos	—
6	Indo-European	*bʰuH-	—

Every word from Indo-European *bʰuH- →Every word from Latin *dubos →Every word from Latin dubō →