古こ天てん文もん学がくじ字FuriganaMeanings1nounarchaeoastronomy; archeoastronomyAcademic term for the study of ancient astronomical knowledge and practices.古こ天てん文もん学がくは、古こ代だい遺い跡せきの配はい置ちから当とう時じの天てん文もん知ち識しきを読よみ解とく学がく問もんだ。Archaeoastronomy is a discipline that interprets ancient astronomical knowledge from the layout of archaeological sites.