【词根含义】：下,低;由下向上

【词根来源】：均为sub-的变体:suc-用在c前,suf-用在f前,sup-用在p前,sus-用在s前,sug-用在g前。

【同源单词】：succeed, success, successful, succession, successive

susceptible 易受感染的，易受影响的（sus+cept拿+ible→能被拿下→易受影响）

susceptive 有接受力的；敏感的（sus+cept拿+ive→有拿下的能力→有接受力的）

suspect 怀疑（sus+pect看→在下面看一看→怀疑）

suspend 悬挂，中止（sus+pend挂→挂在下面→悬挂）

suspense 担心；悬而不决（sus+pense挂→一颗心挂着）

suspire 叹息，渴望（sus+pire呼吸→喝望）

sustain 支撑；承受（sus+tain握住→在下面握住→支撑）

sustenance 生活资料，粮食（sus+ten支撑＋ance→支撑下去的东西→粮食；坚持）

【来源及含义】Latin: under, below, beneath; used as a prefix as shown in various formats below

【相关描述】The prefix sub- often becomes suc- before c: succumb.

The prefix sub- often becomes suf- before f: suffuse.

The prefix sub- often becomes sug- before g: suggest.

The prefix sub- often becomes sum- before m: sumptuous.

The prefix sub- often becomes sup- before p: suppression.

The prefix sub- often becomes sur- before r: surrogate.

The prefix, sub- is often simplified to su- before sp; as seen in suspect, suspend, suspicion, suspension, et al. Before c, p, and t; it is sometimes formed into sus-.

【同源单词】oversufficient, sub specie, sub voce, subabdominal, subaquatic, subaquatics