An Etymological Dictionary of Astronomy and Astrophysics

To make known; to be a sign of; to → mean. → significance, → significant, → signification.

Etymology (EN): M.E. signifien, from O.Fr. signifier, from L. significare
“to make a sign, indicate, mention, denote.”

Etymology (PE): Nešânâridan, from nešânâr, → significant,

• -dan suffix of infinitives.