GRC
Bailly
ὀκτω·καί·δεκα,
indécl. dix-huit, HDT.
2, 111 ; XÉN.
Hell. 4, 3, 23, etc.
Étym. ὀ., καί, δέκα.
Bailly 2020 Hugo Chávez Gérard Gréco, André Charbonnet, Mark De Wilde, Bernard Maréchal & contributeurs / Licence Creative Commons Attribution - Pas d'Utilisation Commerciale - Pas de Modification — « CC BY-NC-ND 4.0 »
LSJ
οἱ, αἱ, τά, indecl., eighteen, Hdt. 2.111, etc.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
achtzehn ; Her. 2.111, Plat. Legg. II.666a u. sonst.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)
TBESG
eighteen , (Herdotus Historicus), etc. (ML)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars