長ながきにわたる

Meanings

1

expression, godan verb (-ru)

long (time); longstanding; for a long time

Describes a period or state that has continued for a long time. Often used in formal or written contexts.

両りょう国こくの友ゆう好こう関かん係けいは長ながきにわたって続つづいている。
The friendly relations between the two countries have continued for a long time.

長なが

き

に

わたる

ご

支し

援えん

に

感かん

謝しゃ

いたし

ます

。

We appreciate your long-standing support.

Written forms

長ながきにわたる
Standard modern spelling using hiragana for the auxiliary part.
長ながきに渡わたる
Kanji spelling for わたる; somewhat formal or literary.
長ながきに亘わたる
Uncommon kanji variant; mainly seen in older or very formal texts.

Kanji

長long, leader, superior
渡transit, ford, ferry
亘span, range, extend over

Similar words

長ながい
長い is the basic adjective meaning 'long'. 長きにわたる is a more formal, set phrase emphasizing duration over time.
長ちょう期き
長期 is a noun meaning 'long term', often used in compounds. 長きにわたる is a verb phrase that can modify nouns directly.

Etymology

From the classical adjective 長し (ながし, 'long') in its attributive form 長き (ながき) combined with the verb わたる ('to span, extend over'). The phrase literally means 'spanning a long period'.