τέθναθι
From LSJ
Οὕτως γὰρ ἠγάπησεν ὁ Θεὸς τὸν κόσμον, ὥστε τὸν Υἱὸν τὸν μονογενῆ ἔδωκεν, ἵνα πᾶς ὁ πιστεύων εἰς Αὐτὸν μὴ ἀπόληται ἀλλ᾽ ἔχῃ ζωὴν αἰώνιον → For God so loved the world that he gave his only begotten Son that whosoever believeth in him should not perish but have everlasting life (John 3:16)
English (LSJ)
τεθναίην, τεθνάκην, τεθνάμεν, τεθνάμεναι, τεθνάναι, τεθνᾶσι, τεθνεώς, τεθνήξομαι, τεθνήξω, τεθνηώς, τεθνώς, v. θνῄσκω.
French (Bailly abrégé)
2ᵉ sg. impér. pf. sync. de θνῄσκω.
Russian (Dvoretsky)
τέθνᾰθι: эп. imper. pf. к θνῄσκω.
Greek (Liddell-Scott)
τέθνᾱθι: τεθναίην, τεθνάκην, τεθνάμεν, τεθνάμεναι, τεθνάναι, τεθνᾶσι, τεθνεώς, τεθνήξομαι, τεθνήξω, τεθνηώς, τεθνώς, ἴδε ἐν λ. θνήσκω.
English (Autenrieth)
see θνήσκω.