Abbott-Smith Manual Greek Lexicon
ὕσσωπος (G5301)
2 † ὕσσωπος , -ου, ἡ [in LXX for אֵזוֹב ;] hyssop , of which a bunch was used in ritual sprinklings: He 9:19 ; of a branch or rod (?) of hyssop, Jo 19:29 (but v. Field, Notes , 106 ff., for suggestion to substitute ὑσσῷ here).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain