PIE base expressing certain qualities of mind.
Derivatives include moral, morale, and morality, from Old English mōd ‘mind, heart, spirit, courage’, and mood, from Latin mōs, ‘wont, humour, manner, custom; will of a person’.
[Pokorny *mē-5, mō-, mə-, ‘to be intent; of strong will’, pp. 704–705.]
Glossary terms for this common ancestor to be added.