fastingly

Him, and thou art silently speaking, and speakingly silent, fastingly eating, and eatingly fasting, and so forth of all the remenant.

The Cell of Self-Knowledge : seven early English mystical treatises printed by Henry Pepwell in 1521 Henry Pepwell 1902

_ You shall stay till I talk with you, and not dine neither, but fastingly my fury, you think you have undone me, think so still, and swallow that belief, till you be company for Court-hand Clarks, and starved Atturnies, till you break in at playes like Prentices for three

Wit Without Money The Works of Francis Beaumont and John Fletcher Francis Beaumont 1600