English rigour

← Middle English rigour (inherited)

← French rigueur (cognate)

← Old French rigor (derived)

← Latin rigor (derived)

← Latin rigere (mention)

→ English rigorist (mention)

→ English rigourism (suffix)

→ English rigourist (suffix)

→ English rigourise (suffix)

→ English rigourize (suffix)

→ English rigourness (suffix)