You searched for: “acus
acus (s) (noun), acuses (pl)
A needle: a needlelike instrument: The acus Dr. Fiske had was for sewing up the wound following the surgical operation.
(Greek > Latin: suffix; from French -aque, or directly from Latin -acus, from Greek -akos forming adjectives. This suffix was used to form names of arts and sciences in Greek and it is now generally used to form new names of sciences in English; meanings, "related to, of the nature of, pertaining to, referring to")