οἶκος

Ancient Greek

Alternative forms

• ϝοῖκος

Etymology

From ϝοῖκος (woikos), from Proto-Indo-European *woyḱos or *wéyḱs. Cognates include Sanskrit वेश (veśa), Latin vīcus, and Gothic 𐍅𐌴𐌹𐌷𐍃 (weihs).

Pronunciation

• (5th BC Attic): IPA: /ó͜ɪkos/

• (1st BC Egyptian): IPA: /ýːkos/

• (4th AD Koine): IPA: /ýkos/

• (10th AD Byzantine): IPA: /ýkos/

• (15th AD Constantinopolitan): IPA: /íkos/

Noun

οἶκος (genitive οἴκου) m, second declension; (oikos)

1. house, dwelling place of any sort (e.g. a cave)
   1. room, chamber
   2. meeting house, hall
   3. cage
   4. (astronomy) domicile of a planet
2. one's household goods, estate, inheritance
3. house, family, household

Inflection

Second declension of οἶκος, οἴκου

Case / #	Singular	Dual	Plural
Nominative	οἶκος	οἴκω	οἶκοι
Genitive	οἴκου	οἴκοιν	οἴκων
Dative	οἴκῳ	οἴκοιν	οἴκοις
Accusative	οἶκον	οἴκω	οἴκους
Vocative	οἶκε	οἴκω	οἶκοι

Derived terms

• οἰκία (oikia)
• οἴκημα

Descendants

• English: ecology
• English: economy
• English: ecophobia

References

• LSJ
• BDAG
• Robert S. P. Beekes (2009) Etymological Dictionary of Greek (Brill Academic Publishers)
• Strong’s concordance number: G3624