Italian word cognome comes from Proto-Indo-European *ser-, Proto-Indo-European *h₁nómn̥ (Name.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ser- | Proto-Indo-European (ine) | to flow, run, watch over, protect, to bind, put together, to flow, stream, flow, stream, to watch over, protect, to put in line, in sequence, to tie, to assemble, to arrange, tack, tie, unite |
| *h₁nómn̥ | Proto-Indo-European (ine) | Name. |
| *sēl- | Proto-Indo-European (ine) | to calm, quiet, be favourable |
| nomen | Latin (lat) | (grammar) noun (i.e. substantive, adjective, pronoun, article or numeral). In particular, the middle name of a three-part free man's Latin name which distinguished one gens from another. Name, appellation. Title. |
| nom | Old Provençal (to 1500) (pro) | Name. |
| nome | Old Portuguese (roa-opt) | Name. |
| sylva | Latin (lat) | (considered to be less correct, proscribed). |
| silvestris | Latin (lat) | Of or pertaining to a forest or wood. Forested, wooded, overgrown with trees. Rural, wild, living in forests. |
| nome | Portuguese (pt) | (grammar) noun. Name (what somebody is known for). Name (word or phrase which identifies an individual person, place, class, or thing). |
| nom | Catalan (cat) | (grammar) noun. Name (reputation). Name (word that indicates a particular person, place, or thing). |
| Silvanus | Latin (lat) | (religion) A deity presiding over woods and all places planted with trees, the god of woods.. Silvanus; a Roman cognomen, or surname. |
| cognome | Italian (it) | Surname, cognomen. |