Abbott-Smith Manual Greek Lexicon
ἀμάραντος (G263)
1 **† ἀμάραντος , -ον ( μαραίνομαι ), [in LXX: Wi 6:12 ( σοφία )*;] unfading (whence ὁ ἀ. , the amaranth , an unfading flower): I Pe 1:4 (cf. MM, VGT , s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain