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liable [liable 词源字典]: liable: [15] Today’s main meaning of liable, ‘likely to’, is a comparatively recent development. Its primary sense is ‘legally bound or obliged’ (as in ‘liable for someone else’s debts’), which goes right back to the word’s ultimate source, Latin ligāre ‘tie’. Its Old French descendant lier is assumed to have give rise to an Anglo-Norman derivative *liable, literally ‘bindable’, which English took over.

Other English words that come ultimately from ligāre include ally, liaison [17], lien [16] (etymologically a ‘bond’), ligament [14], ligature [14], oblige, religion, and rely.
=> ally, liaison, lien, ligament, ligature, oblige, religion, rely[liable etymology, liable origin, 英语词源]
spawn (v.): c. 1400, intransitive, from Anglo-French espaundre, Old French espandre "to spread out, pour out, scatter, strew, spawn (of fish)" (Modern French épandre), from Latin expandere (see expand). The notion is of a "spreading out" of fish eggs released in water. The transitive meaning "to engender, give rise to" is attested from 1590s. Related: Spawned; spawning.