はやいか
ga hayaika

Expression

1. no sooner ... than ...; hardly ... when ...; as soon as ...

やま ふもと のぼるが はやいかただ一人 ひとり やま のぼ はじめた。
yamano fumotoni higa noboruga hayai katada hitori yamao noborihajimeta.
The sun had barely risen at the foot of the mountain when she set out alone up the slope.