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εἰδῶ

Ὠς χαρίεν ἔστʹ ἄνθρωπος, ὅταν ἄνθρωπος ᾗ -> What a fine thing a human is, when truly human!
Menander, fragment 761

French (Bailly abrégé)

ῇς, ῇ;
sbj. de οἶδα, pf.2 de *εἴδω.

Russian (Dvoretsky)

εἰδῶ: эп. εἰδέω pf. conjct. к *εἴδω.