-τρον

Ancient Greek

Etymology

From Proto-Hellenic *-tron, from Proto-Indo-European *-trom.

Pronunciation

(5^th BCE Attic) IPA^(key): /tron/
(1^st CE Egyptian) IPA^(key): /tron/
(4^th CE Koine) IPA^(key): /tron/
(10^th CE Byzantine) IPA^(key): /tron/
(15^th CE Constantinopolitan) IPA^(key): /tron/

Suffix

-τρον • (-tron) n (genitive -τρου); second declension

Forms instrument nouns

Inflection

Second declension of -τρον; -τρου (Attic)

Case / #	Singular	Dual	Plural
Nominative	-τρον -tron	-τρω -trō	-τρᾰ -tra
Genitive	-τρου -trou	-τροιν -troin	-τρων -trōn
Dative	-τρῳ -trōi	-τροιν -troin	-τροις -trois
Accusative	-τρον -tron	-τρω -trō	-τρᾰ -tra
Vocative	-τρον -tron	-τρω -trō	-τρᾰ -tra
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Synonyms

-θρον (πτολίεθρον, city), -τλον (χύτλον, libation), -θλον (ἄεθλον, contest), -θρη, -θλη (γενέθλη, race).

For roots ending in σ, the suffix always has τρ. Older forms in which the root does not contain a liquid or end in σ tend to use the τλ/θλ forms, but there are many exceptions, such as σκῆπτρον, scepter, and κέντρον, center.

Derived terms

Ancient Greek terms suffixed with -τρον

Descendants

→ English: -tron

References

Smyth, Herbert Weir (1920) “Part III: Formation of Words”, in A Greek grammar for colleges, Cambridge: American Book Company, § 842.1