καπνός

Ancient Greek

From Proto-Hellenic *kapnós, from Proto-Indo-European *kwep- (“to smoke, boil, move violently”), which appears to be a European substrate word;^[1] see also Lithuanian kūpėti (“to boil over”), Old Church Slavonic кꙑпѣти (kypěti, “to boil”), Sanskrit कुप्यति (kupyati, “become agitated, bubbles up”), Latin cupiō.^[2]

καπνός • (kapnós) m (genitive καπνοῦ); second declension

Case / #	Singular	Dual	Plural
Nominative	ὁ κᾰπνός ho kapnós	τὼ κᾰπνώ tṑ kapnṓ	οἱ κᾰπνοί hoi kapnoí
Genitive	τοῦ κᾰπνοῦ toû kapnoû	τοῖν κᾰπνοῖν toîn kapnoîn	τῶν κᾰπνῶν tôn kapnôn
Dative	τῷ κᾰπνῷ tôi kapnôi	τοῖν κᾰπνοῖν toîn kapnoîn	τοῖς κᾰπνοῖς toîs kapnoîs
Accusative	τὸν κᾰπνόν tòn kapnón	τὼ κᾰπνώ tṑ kapnṓ	τοὺς κᾰπνούς toùs kapnoús
Vocative	κᾰπνέ kapné	κᾰπνώ kapnṓ	κᾰπνοί kapnoí
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

^ Beekes, Robert S. P. (2010) “καπνός”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, pages 638-9
^ Roberts, Edward A. (2014) A Comprehensive Etymological Dictionary of the Spanish Language with Families of Words based on Indo-European Roots, Xlibris Corporation, →ISBN

καπνός • (kapnós) m (plural καπνοί)

smoke
δεν υπάρχει καπνός χωρίς φωτιά ― den ypárchei kapnós chorís fotiá ― there is no smoke without fire
tobacco (plant and its products)