Word Summary
myrioi: countless, pl. ten thousand
Original Word: μυρίοι
Transliteration: myrioi
Phonetic Spelling: (moo'-ree-oi)
Part of Speech: Adjective
Short Definition: countless, pl. ten thousand
Meaning: countless, ten thousand
Strong's Concordance
ten thousand.

Plural of an apparently primary word (properly, meaning very many); ten thousand; by extension, innumerably many -- ten thousand.

Thayer's Greek Lexicon
STRONGS NT 3463: μυρίος

μυρίος, μύρια, μυριον (from Homer down);

1. innumerable, countless (A. V. ten thousand): 1 Corinthians 4:15; 1 Corinthians 14:19.

2. with the accent drawn back (cf. Alexander Buttmann (1873) Ausf. Sprchl. § 70 Anm. 15, vol. 1:278; Passow, under the word at the end; (Liddell and Scott, under the word, III.)), μύριοι, μύριαι, μύρια, ten thousand: Matthew 18:24.