出典:Wiktionary
From Middle English awake, a shortened form of awaken (“awakened, awake”), past participle of Middle English awaken (“to awaken”). See verb below. Compare Saterland Frisian woak (“awake”), German Low German waak (“awake”), German wach (“awake”).
awake (comparative more awake, superlative most awake) (predicative only)
From Middle English awaken and awakien, from 古期英語 āwacan and āwacian, equivalent to a- + wake.
awake (third-person singular simple present awakes, present participle awaking, simple past awoke or (まれに) awaked, past participle awoken or (まれに) awaked or (まれに) awoke or (まれに) awaken)
For many speakers, this verb is commonly conflated with awaken (かつ, in such cases, lends some conjugational elements to it). See the usage notes at awaken for more details.