smei- / Indo-European roots
Examples of words with the root smei-: admire, comity, marvel, miracle, mirage, mirror, smile, smirk.
To laugh, smile.
1. smirk from Old English smercian, to smile (with -k- formative), from Germanic reshaped forms *smer-, *smar-.
2. smile from Middle English smilen, to smile, from a Scandinavian source probably akin to Swedish smila, to smile, from Germanic extended form *smīl-.
3. Suffixed form *smei-ro-. marvel, miracle, mirage, mirror; admire from Latin mīrus, wonderful.
4. Prefixed zero-grade form *ko(m)-smi-, smiling with (*ko-,*kom-, together; see kom) comity from Latin cōmis (< cosmis), courteous.
[Pokorny 1. (s)mei- 967.]