English
fastenable
From fasten + -able.
A compound of fasten + -able
Proto-Germanic *fastuz ‘secure, firm, fixed’
Proto-West Germanic *fast ‘fixed, fast’
Proto-West Germanic *fastinōn ‘to secure, fasten’
Old English fæstnian ‘to fasten or fix’
Middle English fastenen
English fasten
Today it means
adj Capable of being fastened.
Language periods are conventional ranges, not dates for this word.
Etymograph / fastenable