Crossword puzzle clue "my word"

First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f

First word of a song whose last word is "Dominum"

Greeting word or parting word

Jumble wordplay applied to every Across answer except this one, yielding another word/word form

A word that means the opposite of another word (for example, "good" vs. "bad")

Word that comes from the Latin word for the type of sand used to absorb blood after fights in the Colosseum

Word that homophonically forms a familiar word when attached to the end of the answer to each starred clue

Add vertical line 13 (word 3) and vertical line 3 (word 1) together and enter the answer to the resulting clue on this line