Male's surname Αθανασάκης formed with Αθανάσιος (Athanásios, “given name Athanasios”) + -άκης (-ákis, suffix to form surname), with suffix for adjectives from Ancient Greek -ειος (-eios, “showing belonging, relation”).
Αθανασάκειος • (Athanasákeios) m (feminine Αθανασάκεια or Αθανασάκειος, neuter Αθανασάκειο)
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | Αθανασάκειος (Athanasákeios) | Αθανασάκεια (Athanasákeia) | Αθανασάκειο (Athanasákeio) | Αθανασάκειοι (Athanasákeioi) | Αθανασάκειες (Athanasákeies) | Αθανασάκεια (Athanasákeia) | |
| genitive | Αθανασάκειου (Athanasákeiou) | Αθανασάκειας (Athanasákeias) | Αθανασάκειου (Athanasákeiou) | Αθανασάκειων (Athanasákeion) | Αθανασάκειων (Athanasákeion) | Αθανασάκειων (Athanasákeion) | |
| accusative | Αθανασάκειο (Athanasákeio) | Αθανασάκεια (Athanasákeia) | Αθανασάκειο (Athanasákeio) | Αθανασάκειους (Athanasákeious) | Αθανασάκειες (Athanasákeies) | Αθανασάκεια (Athanasákeia) | |
| vocative | Αθανασάκειε (Athanasákeie) | Αθανασάκεια (Athanasákeia) | Αθανασάκειο (Athanasákeio) | Αθανασάκειοι (Athanasákeioi) | Αθανασάκειες (Athanasákeies) | Αθανασάκεια (Athanasákeia) | |
Derivations:
Comparative: πιο + positive forms (e.g. πιο Αθανασάκειος, etc.)
Relative superlative: definite article + πιο + positive forms (e.g. ο πιο Αθανασάκειος, etc.)