彼の国境を越える旅に同行した

N5 彼 kare he N3 国境 kokkyou national border, frontier N3 越える koeru go over, cross, exceed N3 旅 tabi journey, travel, trip

N3 彼 hi / kare, kano, ka.no he, that, the N5 国 koku / kuni country, pays, país N2 境 kyou, kei / sakai boundary, border, region N3 越 etsu, otsu / ko.su, -ko.su, -go.shi, ko.eru, -go.e surpass, cross over, move to N4 旅 ryo / tabi trip, travel, voyage N4 同 dou / ona.ji same, agree, equal N5 行 kou, gyou, an / i.ku, yu.ku, -yu.ki, -yuki, -i.ki, -iki, okona.u, oko.nau going, journey, carry out

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase