担架
たんか · tanka · JLPT N1 · noun
stretcher
担 — hand radical 扌 + 詹 (zhān, phonetic)
担 is a semantic-phonetic compound: 扌 (hand) gives the meaning of carrying or shouldering, while 詹 supplies the sound. Originally written 擔, it depicted bearing a load on a shoulder pole; 担 is the simplified form. Meanings extended from physical carrying to bearing responsibility.
架 — wood 木 + add 加 (phonetic)
A semantic-phonetic compound: 木 (wood) gives the meaning, since a 架 is a wooden frame, rack, or shelf used to support things. 加 (jiā) supplies the sound. From 'wooden frame' it extended to verbs like 'to set up,' 'to prop up,' and to a measure word for framed objects such as airplanes.