以為らく

Compound of 思(おも)う (omou, “to think”) + ら (ra), 未(み)然(ぜん)形(けい) (mizenkei) of classical stative auxiliary り (ri) + classical nominalizing suffix く (ku). The kanji are jukujikun (熟字訓), from Middle Chinese 以為 (yi^X hjwe). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “origin of omumiraku?”)

• (Tokyo) おもえらく [òmóéꜜràkù] (Nakadaka – [3])^[1]
• (Tokyo) おもえらく [òmóérákúꜜ] (Odaka – [5])^[1]
• IPA^(key): [o̞mo̞e̞ɾa̠kɯ̟]

以為(おもえ)らく or 以為(おむみ)らく • (omoeraku or omumiraku) ^{←おもへらく (omoferaku)?}

1. in one's thinking; what one thinks; one thinks that...