彼、年月の経過を感じてる

N5 彼 kare he N3 年月 toshitsuki months and years N1 経過 keika passage, progress N3 感じ kanji feeling, sense, impression

N3 彼 hi / kare, kano, ka.no he, that, the N5 年 nen / toshi year, counter for years, année N5 月 getsu, gatsu / tsuki month, moon, lune N3 経 kei, kyou, kin / he.ru, ta.tsu, tateito, haka.ru, nori sutra, longitude, pass thru N3 過 ka / su.giru, su.gosu, ayama.chi, ayama.tsu, yogi.ru, yo.giru overdo, exceed, go beyond N3 感 kan emotion, feeling, sensation

N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase