ἰσοδύναμος

Ancient Greek

Etymology

From ῐ̓́σος (ĭ́sos, “equal, equivalent”) +‎ δῠ́νᾰμῐς (dŭ́nămĭs, “force, power, strength, authority, value, meaning”) +‎ -ος (-os, suffix forming second-declension compound adjectives).

Pronunciation

(5^th BCE Attic) IPA^(key): /i.so.dý.na.mos/
(1^st CE Egyptian) IPA^(key): /i.soˈdy.na.mos/
(4^th CE Koine) IPA^(key): /i.soˈðy.na.mos/
(10^th CE Byzantine) IPA^(key): /i.soˈðy.na.mos/
(15^th CE Constantinopolitan) IPA^(key): /i.soˈði.na.mos/

Adjective

ῐ̓σοδῠ́νᾰμος • (ĭsodŭ́nămos) m or f (neuter ῐ̓σοδῠ́νᾰμον); second declension

equal in force, power or strength
- 150 CE – 250 CE, Alexander of Aphrodisias, Problems 1.135
- 625 CE – 690 CE, Paul of Aegina, Medical Compendium in Seven Books 2.30, (of drugs):^[1]
  μάλιστα δὲ αὐτοῖς ἁρμόττουσιν αἱ θριδακίναι καὶ τὰ ταύταις ἰσοδύναμα· ἔξωθεν δὲ καὶ αὐτὸς μὲν ὁ τῆς θριδακίνης χυλὸς ἐπιτήδειος, ἀλλὰ καὶ ἀειζῴου, ὅσα τ’ ἄλλα ψύχοντα.
  málista dè autoîs harmóttousin hai thridakínai kaì tà taútais isodúnama; éxōthen dè kaì autòs mèn ho tês thridakínēs khulòs epitḗdeios, allà kaì aeizōíou, hósa t’ álla psúkhonta.
  (please add an English translation of this quotation)
equivalent in meaning
- 550 CE – 650 CE, Menander Protector, Collected Works 24D
equal in value; equivalent [(chiefly) with dative]
- 300 BCE – 200 BCE, Septuagint, 4 Maccabees 3.15

Declension

Second declension of ῐ̓σοδῠ́νᾰμος; ῐ̓σοδῠ́νᾰμον (Attic)

Number	Singular		Dual		Plural
Case/Gender	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter
Nominative	ῐ̓σοδῠ́νᾰμος ĭsodŭ́nămos	ῐ̓σοδῠ́νᾰμον ĭsodŭ́nămon	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠ́νᾰμοι ĭsodŭ́nămoi	ῐ̓σοδῠ́νᾰμᾰ ĭsodŭ́nămă
Genitive	ῐ̓σοδῠνᾰ́μου ĭsodŭnắmou	ῐ̓σοδῠνᾰ́μου ĭsodŭnắmou	ῐ̓σοδῠνᾰ́μοιν ĭsodŭnắmoin	ῐ̓σοδῠνᾰ́μοιν ĭsodŭnắmoin	ῐ̓σοδῠνᾰ́μων ĭsodŭnắmōn	ῐ̓σοδῠνᾰ́μων ĭsodŭnắmōn
Dative	ῐ̓σοδῠνᾰ́μῳ ĭsodŭnắmōi	ῐ̓σοδῠνᾰ́μῳ ĭsodŭnắmōi	ῐ̓σοδῠνᾰ́μοιν ĭsodŭnắmoin	ῐ̓σοδῠνᾰ́μοιν ĭsodŭnắmoin	ῐ̓σοδῠνᾰ́μοις ĭsodŭnắmois	ῐ̓σοδῠνᾰ́μοις ĭsodŭnắmois
Accusative	ῐ̓σοδῠ́νᾰμον ĭsodŭ́nămon	ῐ̓σοδῠ́νᾰμον ĭsodŭ́nămon	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠνᾰ́μους ĭsodŭnắmous	ῐ̓σοδῠ́νᾰμᾰ ĭsodŭ́nămă
Vocative	ῐ̓σοδῠ́νᾰμε ĭsodŭ́năme	ῐ̓σοδῠ́νᾰμον ĭsodŭ́nămon	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠνᾰ́μω ĭsodŭnắmō	ῐ̓σοδῠ́νᾰμοι ĭsodŭ́nămoi	ῐ̓σοδῠ́νᾰμᾰ ĭsodŭ́nămă
Derived forms	Adverb		Comparative		Superlative
Derived forms	ῐ̓σοδῠνᾰ́μως / ῐ̓σοδῠ́νᾰμᾰ ĭsodŭnắmōs / ĭsodŭ́nămă		—		—
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Derived terms

ῐ̓σοδῠ́νᾰμᾰ (ĭsodŭ́nămă, adverb)
ῐ̓σοδῠνᾰμέω (ĭsodŭnăméō, verb)
ῐ̓σοδῠνᾰμῐ́ᾱ f (ĭsodŭnămĭ́ā, noun)
ῐ̓σοδῠ́νᾰμον n (ĭsodŭ́nămon, noun)
ῐ̓σοδῠνᾰ́μως (ĭsodŭnắmōs, adverb)

Descendants

⇒ English: isodynamic, isodynamical, isodynamous