Where does “honorable” come from?

honorable (Old French) comes from Latin honōrābilis, from Latin honoro, from Latin honor, from Old Latin honos — Alternative form of honor.

Ancestry of “honorable”, step by step

Step	Language	Word	Meaning
1	Latin	honōrābilis	—
2	Latin	honoro	I honor, respect; I clothe with honor, decorate
3	Latin	honor	honor, esteem, dignity, reputation, office
4	Old Latin	honos	Alternative form of honor

honorable — Etymology, Origin & Word History | Etymology Explorer