Yap.Town

いかなきゃ

have to go, must go

→ 行く
いか to go + なきゃ Must (shortened negative obligation)
auxiliary · informal Rare #41,905
have to go, must go Colloquial contraction of 行かなければ; often used with ならない or だめ, but it can also stand alone to mean “have to.”
JA: もういかなきゃ。
EN: I have to go now.
Conjugation of 行く
Necessitative
いけないいくべきいかなきゃ

もう連れていかなきゃ

I have to take them now.

— ROMA/ローマ (2018)

「もちろん、手に入れるにはノースポートまで帆走していかなきゃならないけどね」

Of course, you’ll have to sail all the way to Northport to get it, though.