耐たい空くう証しょう明めいMeaningsNoun1. certificate of airworthiness; airworthiness certificateKanji used耐withstand空empty air証proof明brightComposed of耐たい-proof; -resistantPrefix空くうempty air; sky; shunyata (the lack of an immutable intrinsic nature within any phenomenon); emptiness; air force; fruitlessness; meaninglessness; void (one of the five elements); empty (e.g. set)Noun証しょう明めいproof; testimony; demonstration; verification; certificationNoun