sithingly
advEtymology From sithing + -ly.
1
Obsolete With sighs; sighingly.
- [W]hat vices, (in some then liuing) notable, he tooke great care to eschew: what manly vertues, in other noble men, (florishing before his eyes,) he Sythingly aspired after […].1570, John Dee, in H. Billingsley (trans.) Euclid, Elements of Geometry, Preface