出典:Wiktionary
From Middle English inborȝ (“bail”), from 古期英語 inborh (“bail, security in cases of theft, a security required in cases where property had been stolen”), from in- + borh, borg (“a security, pledge, loan, bail; payment”), equivalent to in- + borrow. Related to 古期英語 borgian (“to borrow; lend; be surety for”). More at borrow.
inborrow (countable かつ uncountable, 複数形 inborrows)