An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

A prefix with several meanings: "characterized by," "of the nature of," "belonging to or connected with a division of animals characterized by or of the nature of," "belonging to or connected with a family of plants of the nature of."

From L. -aceus.

-âsâ a suffix denoting "resemblance; nature; relation," from Mid.Pers. suffix -ihâ forming adverbs.