Where does “五智如来” come from?

五智如来 (Japanese) comes from Japanese 五, from Middle Chinese ご.

五智如来 (Japanese): In Vajrayana Buddhism, the Five Dhyani Buddhas, also known as the Five Wisdom Tathāgatas, the Five Great Buddhas and the Five Jinas (Sanskrit for "conqueror" or "victor"), are representations of the five qualities of the Buddha, and an important entity in Shingon Buddhism. These five are

Definitions

In Vajrayana Buddhism, the Five Dhyani Buddhas, also known as the Five Wisdom Tathāgatas, the Five Great Buddhas and the Five Jinas (Sanskrit for "conqueror" or "victor"), are representations of the five qualities of the Buddha, and an important entity in Shingon Buddhism. These five are

Ancestry of “五智如来”, step by step

五智如来 traces back through 3 separate lines of ancestry.

via Japanese 五

Step	Language	Word	Meaning
1	Japanese	五	five; a name of a hole of a wind instrument
2	Middle Chinese	ご	—

via Japanese 如来

Step	Language	Word	Meaning
1	Japanese	如来	a buddha
2	Middle Chinese	にょらい	—

via Japanese 智

Step	Language	Word	Meaning
1	Japanese	智	—

Every word from Middle Chinese ご →Every word from Japanese 五 →