What would be the Latin word for an entry in a dictionary or an encyclopedia?

1. What is the Latin word of dictionary?
2. What does SV mean in linguistics?

What is the Latin word of dictionary?

Dictionary originally came from the Latin word dictionarius, meaning "a manual or book of words."

What does SV mean in linguistics?

sub verbo (plural: sub verbis) or sub voce (plural: sub vocibus), "under the word" (plural: "under the words"); used to refer to an entry in a dictionary or encyclopedia.