An Etymological Dictionary of Astronomy and Astrophysics

To arrange in a line or so as to be parallel; to adjust to produce a proper relationship or orientation.

Etymology (EN): M.Fr. aligner, from O.Fr. aligner, from à “to” + ligner “to line,” from L. lineare, from linea “linen thread, string, line;” → line.

Etymology (PE): Âxatidan, from â- intesive and nuance prefix

• xat, → line, + infinitive suffix -idan.