ἥδιστα
From LSJ
French (Bailly abrégé)
v. ἡδέως.
English (Strong)
neuter plural of the superlative of the same as ἡδέως; with great pleasure: most (very) gladly.
English (Thayer)
(neuter plural of the superlative ἥδιστος from ἡδύς), adverb, most gladly (cf. ἡδέως): Sophocles, Xenophon, Plato, others.)
Russian (Dvoretsky)
ἥδιστα: superl. к ἡδέως.