ὁπλίτης First declension Noun; Masculine  

Transliteration: hoplītēs
Principal Part: ὁπλίτης ὁπλίτου

Structure: ὁπλιτ (Stem) + ης (Ending)

Etym.: ὅπλον

Sense
1) one who is armed, heavily armored, hoplite
2) a heavily armored foot soldier, man-at-arms, who 
carried a pike (δόρυ dóru) and a large shield (ὅπλον hóplon)

Note:

Hoplites (/ˈhɒplaɪts/ HOP-lytes) (Ancient
Greek: ὁπλίτης : hoplítēs) were citizen-soldiers
of Ancient Greek city-states who were primarily armed
with spears and shields. Hoplite soldiers used the phalanx
formation to be effective in war with fewer soldiers