Etymology
From Middle English whyle, from Old English hwīl, from Proto-West Germanic *hwīlu, from Proto-Germanic *hwīlō (compare Dutch wijl, Low German Wiel, German Weile, Danish and Norwegian Bokmål hvile (“rest”), Norwegian Nynorsk kvila (“rest”), Swedish vila (“rest”), Faroese and Icelandic hvíla (“rest”)) from Proto-Indo-European *kʷyeh₁- (“to rest”). Cognate with Albanian sillë (“breakfast”), Latin tranquillus, Sanskrit चिर (cirá), Persian شاد (šâd).