The story
- Old English · inherited fromheardlīċe“boldly; hardily; without ease; in a way that causes pain; not easily; only by degrees”
- Middle English · inherited fromhardely
- English todayhardly
From Middle English hardely, hardliche, from Old English heardlīċe (“boldly; hardily; without ease; in a way that causes pain; not easily; only by degrees”), equivalent to hard + -ly. Compare Dutch hardelijk, German härtlich.
Etymology from Wiktionary, CC BY-SA 4.0.