固こ有ゆう関かん数すうMeaningsNoun1. eigenfunctionKanji used固solidify有be in possession関connected to数numberComposed of固こ有ゆうcharacteristic (of); peculiar (to); inherent (in); endemic; unique (to); native (to); intrinsic; eigen-No-adjective関かん数すうfunction; function (programming)Noun