As a glyph, 任 甲金文從「人」、「壬」聲，甲金文「壬」字作「工」形，金文於豎畫中間增一圓點，後圓點伸展為一橫。
As per Wiktionary, 任 originated from
semantic 亻 (“person”) + phonetic 壬 (OC *l̥ʰeːŋʔ, *njɯm) – to carry on a shoulder pole.
Note that its phonetic part 壬 (OC *njɯm) may be the graphical representation of 任, depicting a shoulder pole rotated by 90 degrees.
As per ZDIC, how did 任 mean
(1) 表示让步关系，相当于“纵使”、“即使 ” [even if]
(2) 表示条件关系，相当于“不论”、“无论” [no matter(what，who，how，etc.)] 。如:任事儿(所有的事);任吗儿(不论什么);任么(无论什么)
? How does this sense relate to 任's original sense "to carry on a shoulder pole"?
Is this sense of "無論" related to 任's other senses below?
| 詞類 | 英文意義 |
|---|---|
| n. | duty, office, official position |
| v. | trust to, rely on, confide in; appoint, employ; bear, be responsible for, assume office, take up a job; allow, tolerate, let |