εστία

From Ancient Greek ἑστία (hestía).

εστία • (estía) f (plural εστίες)

1. fireplace, hearth
2. permanent residence, one's homeland
3. dorm (student residence)
4. goal (the part of a soccer field used for scoring goals)
5. focus (of light, heat, pollution, etc.)
6. (geometry) focal point

   Στη γεωμετρία, την παραβολή έχει εστία, όπως έλλειψη ή υπερβολή.

   Sti geometría, tin paravolí échei estía, ópos élleipsi í ypervolí.

   In geometry, the parabola has a focus point, like an ellipse or a hyperbola.

7. combustible part of an appliance, or where temperature is developed
8. epicenter (of an earthquake)

• τζάκι n (tzáki)

• ανέστιος (anéstios, “homeless”, adjective)

• εστία, in Λεξικό της κοινής νεοελληνικής , Triantafyllidis Foundation, 1998 at the Centre for the Greek language